%%
%% This is file `chemtimes.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% chemtimes.dtx  (with options: `chemtimes')
%% 
%% This is a generated file.
%% 
%% Copyright (C) 2009, 2010 by Shinsaku Fujita all rights reserved.
%% 
%% This file is part of the ChemSci system.
%% =======================================
%% Version 1.00 Released on October 20, 2009
%% Released on November 21, 2010 (v5.00a)
%% 
%% Copying of this file is authorized only if either
%% 
%%  (1) you make absolutely no changes to your copy, including name and
%%      directory name
%%  (2) if you do make changes,
%%      (a) you name it something other than the names included in the
%%          ``macro-sahou-pac'' directory and
%%      (b) you acknowledge the original name.
%%  This restriction ensures that all standard styles are identical.
%% 
%% =======================================
%% 
%% This file contains several codes modified from latex.tex (LaTeX2.09)
%% and from latex.ltx (a LaTeX2e), the reused parts of which are subject to
%% Copyright 1994 the LaTeX3 project and the individual authors (For further
%% copyright information see the file legal.txt of the LaTeX2e standard
%% distribution, and any other copyright indicated in this file.)
%% 
%% File: chemtimes.dtx
%% \CharacterTable
%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
%%   Digits        \0\1\2\3\4\5\6\7\8\9
%%   Exclamation   \!     Double quote  \"     Hash (number) \#
%%   Dollar        \$     Percent       \%     Ampersand     \&
%%   Acute accent  \'     Left paren    \(     Right paren   \)
%%   Asterisk      \*     Plus          \+     Comma         \,
%%   Minus         \-     Point         \.     Solidus       \/
%%   Colon         \:     Semicolon     \;     Less than     \<
%%   Equals        \=     Greater than  \>     Question mark \?
%%   Commercial at \@     Left bracket  \[     Backslash     \\
%%   Right bracket \]     Circumflex    \^     Underscore    \_
%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
%%   Right brace   \}     Tilde         \~}
\typeout{Package `chemtimes' (v. 5.00a) Shinsaku Fujita 2010/11/21}
\@ifundefined{chemcorr}{}{%
  \PackageError{chemtimes}
    {The ``chemist'' or ``chmst-ps'' package is not permitted here}
    {The ``chemist'' or ``chmst-ps'' package will be automatically loaded \MessageBreak
    when the ``chemtimes'' package is loaded.}
}
\newif\ifchemtimes%%
\newif\if@chemtimes%%for chemist package
\newif\if@@@chemtimes%%for chmst-ps package
\newif\if@@chemtimes%%for chmst-ps package
\DeclareOption{chemist}{\chemtimestrue}
\chemtimesfalse
\ProcessOptions
\ifchemtimes
\RequirePackage[chemtimes]{chemist}%
\else
\@@chemtimestrue
\RequirePackage[chemtimes]{chmst-ps}%
\fi
\renewcommand{\rmdefault}{ptm}
\def\Hv@scale{0.90}%scalable font
\renewcommand{\sfdefault}{phv}
%% change the defalt values (\thinmuskip 3mu to 2mu etc.)
\thinmuskip=2mu
\medmuskip=2.5mu plus 1mu minus 1mu
\thickmuskip=4mu plus 1.5mu minus 1mu
\DeclareSymbolFont{letters}     {OML}{ztmcm}{m}{it}
\DeclareSymbolFont{operators}   {OT1}{ztmcm}{m}{n}
\DeclareSymbolFont{symbols}     {OMS}{ztmcm}{m}{n}
\DeclareSymbolFont{largesymbols}{OMX}{ztmcm}{m}{n}
\DeclareSymbolFont{bold}        {OT1}{ptm}{bx}{n}
\DeclareSymbolFont{italic}      {OT1}{ptm}{m}{it}
\DeclareMathAlphabet{\mathbf}{OT1}{ptm}{bx}{n}
\DeclareMathAlphabet{\mathit}{OT1}{ptm}{m}{it}
\DeclareMathAlphabet{\mathbfit}{OT1}{ptm}{b}{it}%2009/11/22
\DeclareMathAlphabet{\mathsf}{OT1}{phv}{m}{n}
\DeclareMathAlphabet{\mathtt}{OT1}{cmtt}{m}{n}
  \DeclareMathSymbol{\Gamma}{\mathalpha}{letters}{0}
  \DeclareMathSymbol{\Delta}{\mathalpha}{letters}{1}
  \DeclareMathSymbol{\Theta}{\mathalpha}{letters}{2}
  \DeclareMathSymbol{\Lambda}{\mathalpha}{letters}{3}
  \DeclareMathSymbol{\Xi}{\mathalpha}{letters}{4}
  \DeclareMathSymbol{\Pi}{\mathalpha}{letters}{5}
  \DeclareMathSymbol{\Sigma}{\mathalpha}{letters}{6}
  \DeclareMathSymbol{\Upsilon}{\mathalpha}{letters}{7}
  \DeclareMathSymbol{\Phi}{\mathalpha}{letters}{8}
  \DeclareMathSymbol{\Psi}{\mathalpha}{letters}{9}
  \DeclareMathSymbol{\Omega}{\mathalpha}{letters}{10}
\SetSymbolFont{letters}     {bold}{OT1}{ptm}{b}{it}%
\SetSymbolFont{operators}   {bold}{OT1}{ptm}{b}{n}%
\SetSymbolFont{symbols}     {bold}{OMS}{ptm}{b}{n}%
\SetSymbolFont{largesymbols}{bold}{OMX}{ztmcm}{m}{n}%
\def\defaultscriptratio{.74}
\def\defaultscriptscriptratio{.6}
\DeclareMathSizes{5}{5}{5}{5}
\DeclareMathSizes{6}{6}{5}{5}
\DeclareMathSizes{7}{7}{5}{5}
\DeclareMathSizes{8}{8}{6}{5}
\DeclareMathSizes{9}{9}{7}{5}
\DeclareMathSizes{10}{10}{7.4}{6}
\DeclareMathSizes{10.95}{10.95}{8}{6}
\DeclareMathSizes{12}{12}{9}{7}
\DeclareMathSizes{14.4}{14.4}{10.95}{8}
\DeclareMathSizes{17.28}{17.28}{12}{10}
\DeclareMathSizes{20.74}{20.74}{14.4}{12}
\DeclareMathSizes{24.88}{24.88}{17.28}{14.4}
\newif\ifnewl@tex \newl@textrue
\@ifundefined{DeclareMathVersion}%
 {\global\newl@texfalse}{\global\newl@textrue}%
\def\math@chem{chem}
\def\math@boldchem{boldchem}
\def\math@bold{bold}
\def\math@normal{normal}
%%added 2005/09/02
\let\oldalpha=\alpha
\let\oldbeta=\beta
\let\oldgamma=\gamma
\let\olddelta=\delta
\let\oldepsilon=\epsilon
\let\oldzeta=\zeta
\let\oldeta=\eta
\let\oldtheta=\theta
\let\oldiota=\iota
\let\oldkappa=\kappa
\let\oldlambda=\lambda
\let\oldmu=\mu
\let\oldnu=\nu
\let\oldxi=\xi
\let\oldpi=\pi
\let\oldrho=\rho
\let\oldsigma=\sigma
\let\oldtau=\tau
\let\oldupsilon=\upsilon
\let\oldphi=\phi
\let\oldchi=\chi
\let\oldpsi=\psi
\let\oldomega=\omega
\let\oldvarepsilon=\varepsilon
\let\oldvartheta=\vartheta
\let\oldvarpi=\varpi
\let\oldvarrho=\varrho
\let\oldvarsigma=\varsigma
\let\oldvarphi=\varphi
\let\oldGamma=\Gamma
\let\oldDelta=\Delta
\let\oldTheta=\Theta
\let\oldLamda=\Lambda
\let\oldXi=\Xi
\let\oldPi=\Pi
\let\oldSigma=\Sigma
\let\oldUpsilon=\Upsilon
\let\oldPhi=\Phi
\let\oldPsi=\Psi
\let\oldOmega=\Omega
\def\chemGreekpalette#1#2#3{%
\mathchoice%
{\mathord{\hbox{\usefont{OML}{#1}{#3}{it}\char"#2}}}%
{\mathord{\hbox{\usefont{OML}{#1}{#3}{it}\char"#2}}}%
{\mathord{\hbox{\scriptsize\usefont{OML}{#1}{#3}{it}\char"#2}}}%
{\mathord{\hbox{\tiny\usefont{OML}{#1}{#3}{it}\char"#2}}}}%
\def\chemGreekletter#1#2{%
\expandafter\def\csname #1\endcsname{\bgroup%added 2010/11/21 by S. Fujita
\ifx\math@version\math@chem
\chemGreekpalette{ztmcm}{#2}{m}%
\else
\ifx\math@version\math@boldchem
\chemGreekpalette{cmm}{#2}{b}%
\else
\ifx\math@version\math@bold
\chemGreekpalette{cmm}{#2}{b}%
\else
\csname old#1\endcsname
\fi\fi\fi\egroup}}%added 2010/11/21 by S. Fujita
\def\ChemAccent#1#2#3{%
\expandafter\def\csname #1\endcsname{%
\ifx\math@version\math@chem
#2{\hbox{\kern-0.15em\usefont{OML}{cmm}{m}{it}\char"#3}}\else
\ifx\math@version\math@boldchem
#2{\hbox{\kern-0.2em\usefont{OML}{cmm}{b}{it}\char"#3}}\else
\ifx\math@version\math@bold
\ifupgreekrm
#2{\hbox{\usefont{OML}{cmm}{b}{it}\char"#3}}%
\upgreekrmfalse
\else
#2{\hbox{\usefont{OML}{cmm}{b}{it}\char"#3}}%
\fi
\else
#2{\hbox{\usefont{OML}{cmm}{m}{it}\char"#3}}%
\fi\fi\fi}}
\newif\ifupgreekrm \upgreekrmfalse
\DeclareOldFontCommand{\rm}{\normalfont\rmfamily}{\mathrm\upgreekrmtrue}
\DeclareOldFontCommand{\bfit}{\normalfont\itshape\bfseries}{\mathbfit}%2009/11/22
\let\oldmathrm=\mathrm
\def\mathrm#1{\oldmathrm{\upgreekrmtrue #1}}
\newif\ifm@thnorm@l
\def\chemUpGreekletter#1#2{%
\expandafter\def\csname #1\endcsname{\bgroup%2010/11/21 by S. Fujita
\ensuremath{%
\ifx\math@version\math@chem
\ifm@thnorm@l
\mathord{\hbox{\usefont{OML}{cmm}{m}{it}\char"#2}}%
\else
\mathord{\hbox{\usefont{OT1}{cmr}{m}{n}\char"#2}}%
\fi
\else
\ifx\math@version\math@boldchem
\ifm@thnorm@l
\mathord{\hbox{\usefont{OML}{cmm}{b}{it}\char"#2}}%
\else
\mathord{\hbox{\usefont{OT1}{cmr}{b}{n}\char"#2}}%
\fi
\else
\ifx\math@version\math@bold
\ifupgreekrm
\ifm@thnorm@l
\mathord{\hbox{\usefont{OML}{cmm}{b}{it}\char"#2}}%
\else
\mathord{\hbox{\usefont{OT1}{cmr}{b}{n}\char"#2}}%
\fi
%%%\upgreekrmfalse
\else
\mathord{\hbox{\usefont{OML}{cmm}{b}{it}\char"#2}}%
\fi
\else
\csname old#1\endcsname
\fi\fi\fi}\egroup}}%added 2010/11/21 by S. Fujita
\def\ctSFOpalette#1#2#3{%
\mathchoice
{#2{\hbox{\usefont{OML}{cmm}{#1}{it}\char"#3}}}%
{#2{\hbox{\usefont{OML}{cmm}{#1}{it}\char"#3}}}%
{#2{\hbox{\scriptsize\usefont{OML}{cmm}{#1}{it}\char"#3}}}%
{#2{\hbox{\tiny\usefont{OML}{cmm}{#1}{it}\char"#3}}}%
}
\def\chemtimesSubFontOrd#1#2#3{%
\expandafter\def\csname #1\endcsname{\bgroup%added 2010/11/21 by S. Fujita
 \PackageWarning{chemtimes}
  {The symbol \expandafter\string\csname #1\endcsname\space
  is not available with this package.
  This font will be substituted by an appropriate commputer modern font}%
\ifx\math@version\math@chem
\ctSFOpalette{m}{#2}{#3}%
\else\ifx\math@version\math@boldchem
\ctSFOpalette{b}{#2}{#3}%
\else\ifx\math@version\math@bold
\ctSFOpalette{b}{#2}{#3}%
\else\ifx\math@version\math@normal
\ctSFOpalette{m}{#2}{#3}%
\else
\ctSFOpalette{m}{#2}{#3}%
\fi\fi\fi\fi\egroup}}%added 2010/11/21 by S. Fujita
\def\ctSFBpalette#1#2#3{%
\mathchoice
{#2{\hbox{\usefont{OMS}{cmsy}{#1}{n}\char"#3}}}%
{#2{\hbox{\usefont{OMS}{cmsy}{#1}{n}\char"#3}}}%
{#2{\hbox{\scriptsize\usefont{OMS}{cmsy}{#1}{n}\char"#3}}}%
{#2{\hbox{\tiny\usefont{OMS}{cmsy}{#1}{n}\char"#3}}}%
}
\def\ctSFBBpalette#1#2#3{%
\mathchoice
{#2{\hbox{\usefont{OMS}{cmm}{#1}{n}\char"#3}}}%
{#2{\hbox{\usefont{OMS}{cmm}{#1}{n}\char"#3}}}%
{#2{\hbox{\scriptsize\usefont{OMS}{cmm}{#1}{n}\char"#3}}}%
{#2{\hbox{\tiny\usefont{OMS}{cmm}{#1}{n}\char"#3}}}%
}
\def\chemtimesSubFontBin#1#2#3{%
\expandafter\def\csname #1\endcsname{\bgroup%added 2010/11/21 by S. Fujita
 \PackageWarning{chemtimes}
  {The symbol \expandafter\string\csname #1\endcsname\space
  is not available with this package.
  This font will be substituted by an appropriate commputer modern font}%
\ifx\math@version\math@chem
\ctSFBpalette{m}{#2}{#3}%
\else\ifx\math@version\math@boldchem
\ctSFBpalette{b}{#2}{#3}%
\else\ifx\math@version\math@bold
\ctSFBpalette{b}{#2}{#3}%
\else\ifx\math@version\math@normal
\ctSFBpalette{m}{#2}{#3}%
\else
\ctSFBBpalette{m}{#2}{#3}%
\fi\fi\fi\fi\egroup}}%added 2010/11/21 by S. Fujita
\def\chemtimesSubFontLOp#1#2#3{%
\expandafter\def\csname #1\endcsname{\bgroup%%added 2010/11/21 by S. Fujita
 \PackageWarning{chemtimes}
  {The symbol \expandafter\string\csname #1\endcsname\space
  is not available with this package.
  This font will be substituted by an appropriate commputer modern font}%
\ifx\math@version\math@chem
\mathop{\mathchoice%
{\raise2.2ex\hbox{\usefont{OMX}{cmex}{m}{n}\char"#3}}%
{\raise1.8ex\hbox{\usefont{OMX}{cmex}{m}{n}\char"#2}}{}{}%
}%
\else\ifx\math@version\math@boldchem
\mathop{\mathchoice%
{\raise2.2ex\hbox{\usefont{OMX}{cmex}{b}{n}\char"#3}}%
{\raise1.8ex\hbox{\usefont{OMX}{cmex}{b}{n}\char"#2}}{}{}%
}%
\else\ifx\math@version\math@bold
\mathop{\mathchoice%
{\raise2.2ex\hbox{\usefont{OMX}{cmex}{b}{n}\char"#3}}%
{\raise1.8ex\hbox{\usefont{OMX}{cmex}{b}{n}\char"#2}}{}{}%
}%
\else\ifx\math@version\math@normal
\mathop{\mathchoice%
{\raise2.2ex\hbox{\usefont{OMX}{cmex}{m}{n}\char"#3}}%
{\raise1.8ex\hbox{\usefont{OMX}{cmex}{m}{n}\char"#2}}{}{}%
}%
\else
\mathop{\mathchoice%
{\raise2.2ex\hbox{\usefont{OMX}{cmex}{m}{n}\char"#3}}%
{\raise1.8ex\hbox{\usefont{OMX}{cmex}{m}{n}\char"#2}}{}{}%
}%
\fi\fi\fi\fi\egroup}}%%added 2010/11/21 by S. Fujita
\def\SetChemSymbol{%
\chemGreekletter{alpha}{0B}%
\chemGreekletter{beta}{0C}%
\chemGreekletter{gamma}{0D}%
\chemGreekletter{delta}{0E}%
\chemGreekletter{epsilon}{0F}%
\chemGreekletter{zeta}{10}%
\chemGreekletter{eta}{11}%
\chemGreekletter{theta}{12}%
\chemGreekletter{iota}{13}%
\chemGreekletter{kappa}{14}%
\chemGreekletter{lambda}{15}%
\chemGreekletter{mu}{16}%
\chemGreekletter{nu}{17}%
\chemGreekletter{xi}{18}%
\chemGreekletter{pi}{19}%
\chemGreekletter{rho}{1A}%
\chemGreekletter{sigma}{1B}%
\chemGreekletter{tau}{1C}%
\chemGreekletter{upsilon}{1D}%
\chemGreekletter{phi}{1E}%
\chemGreekletter{chi}{1F}%
\chemGreekletter{psi}{20}%
\chemGreekletter{omega}{21}%
\chemGreekletter{varepsilon}{22}%
\chemGreekletter{vartheta}{23}%
\chemGreekletter{varpi}{24}%
\chemGreekletter{varrho}{25}%
\chemGreekletter{varsigma}{26}%
\chemGreekletter{varphi}{27}%
\chemUpGreekletter{Gamma}{00}%
\chemUpGreekletter{Delta}{01}%
\chemUpGreekletter{Theta}{02}%
\chemUpGreekletter{Lambda}{03}%
\chemUpGreekletter{Xi}{04}%
\chemUpGreekletter{Pi}{05}%
\chemUpGreekletter{Sigma}{06}%
\chemUpGreekletter{Upsilon}{07}%
\chemUpGreekletter{Phi}{08}%
\chemUpGreekletter{Psi}{09}%
\chemUpGreekletter{Omega}{0A}%
\chemtimesSubFontOrd{imath}{\mathord}{7B}%
\chemtimesSubFontOrd{jmath}{\mathord}{7C}%
\chemtimesSubFontBin{amalg}{\mathbin}{71}%
\chemtimesSubFontLOp{coprod}{60}{61}%
\chemtimesSubFontOrd{mathless}{\mathrel}{3C}%
\chemtimesSubFontOrd{mathgreater}{\mathrel}{3E}%
\chemtimesSubFontOrd{leftharpoonup}{\mathrel}{28}%
\chemtimesSubFontOrd{leftharpoondown}{\mathrel}{29}%
\chemtimesSubFontOrd{rightharpoonup}{\mathrel}{2A}%
\chemtimesSubFontOrd{rightharpoondown}{\mathrel}{2B}%
\chemtimesSubFontOrd{ell}{\mathord}{60}%
\chemtimesSubFontOrd{wp}{\mathord}{7D}%
\chemtimesSubFontOrd{partial}{\mathord}{40}%
\chemtimesSubFontOrd{flat}{\mathord}{5B}%
\chemtimesSubFontOrd{natural}{\mathord}{5C}%
\chemtimesSubFontOrd{sharp}{\mathord}{5D}%
\chemtimesSubFontOrd{triangleleft}{\mathbin}{2F}%
\chemtimesSubFontOrd{triangleright}{\mathbin}{2E}%
\chemtimesSubFontOrd{smile}{\mathrel}{5E}%
\chemtimesSubFontOrd{frown}{\mathrel}{5F}%
\chemtimesSubFontOrd{star}{\mathbin}{3F}%
\ChemAccent{vec}{\rlap}{7E}%
}
\DeclareRobustCommand\mathversion[1]
         {\@nomath\mathversion
          \expandafter\ifx\csname mv@#1\endcsname\relax
          \@latex@error{Math version `#1' is not defined}\@eha\else
          \edef\math@version{#1}%
          \gdef\glb@currsize{}%
%%%%%%2002/5/30 and 2004/11/17
\ifx\math@version\math@chem
 \mathcode`\.="012E
 \mathcode`\,="612C
 \mathcode`\/="012F
 \SetChemSymbol
\else\ifx\math@version\math@boldchem
 \mathcode`\.="012E
 \mathcode`\,="612C
 \mathcode`\/="012F
 \SetChemSymbol
\else\ifx\math@version\math@bold
 \mathcode`\.="012E
 \mathcode`\,="612C
 \mathcode`\/="012F
 \SetChemSymbol%
\else
 \mathcode`\.="013A
 \mathcode`\,="613B
 \mathcode`\/="013D
 \SetChemSymbol%
\fi\fi\fi
%%%%%%
          \aftergroup\glb@settings
          \fi}
\ifnewl@tex
\@ifundefined{mv@chem}{%
\DeclareMathVersion{chem}%
\SetSymbolFont{letters}{chem}     {OT1}{ptm}{m}{n}%
\SetSymbolFont{operators}{chem}   {OT1}{ztmcm} {m}{n}%
\SetSymbolFont{symbols}  {chem}   {OMS}{ztmcm}{m}{n}%
\SetSymbolFont{largesymbols}{chem}{OMX}{ztmcm}{b}{n}%
\DeclareMathVersion{boldchem}%2009/10/23<--2002/5/30
\SetSymbolFont{letters}{boldchem}     {OT1}{ptm}{b}{n}%
\SetSymbolFont{operators}{boldchem}   {OT1}{ptm}{b}{n}%
\SetSymbolFont{symbols}{boldchem}     {OMS}{ptm}{b}{n}%
\SetSymbolFont{largesymbols}{boldchem}{OMX}{ztmcm}{b}{n}%
}{%
   \PackageWarning%
   {chemtimes}%
   {The mathversion "chem" or "boldchem" has been already defined. ^^J%
   The old mathversion remains effective unless it is removed. }%
}
\else
   \PackageWarning%
   {chemtimes}%
   {Mathversions cannot be defined. Use LaTeX2e or a later version.}%
\fi
\DeclareRobustCommand\hbar{{%from mathptmx package
\dimen@.06em \dimen@ii.06em%
\def\@tempa##1##2{%
   \lower##1\dimen@\rlap{\kern##1\dimen@ii\the##2 0\char22}}%
 \mathchoice{\@tempa{\@ne}{\textfont}}%
            {\@tempa{\@ne}{\textfont}}%
            {\@tempa{\defaultscriptratio}{\scriptfont}}%
            {\@tempa{\defaultscriptscriptratio}{\scriptscriptfont}}%
  h}}
\let\oldmathnormal=\mathnormal
\def\mathnormal#1{%
\ifx\math@version\math@chem
\m@thnorm@ltrue
\ensuremath{\it \usefont{OML}{cmm}{m}{it}#1}%
\else\ifx\math@version\math@boldchem
\m@thnorm@ltrue
\ensuremath{\bfit \usefont{OML}{cmm}{b}{it}#1}%
\else\ifx\math@version\math@bold
\ifupgreekrm
\m@thnorm@ltrue
\ensuremath{\bfit \usefont{OML}{cmm}{b}{it}#1}%
\else
\ensuremath{\usefont{OML}{cmm}{b}{it}#1}%
\fi
\else
\oldmathnormal{#1}%
\fi\fi\fi%
\m@thnorm@lfalse
}%
\def\oldstyle{\egroup%
\ifx\math@version\math@chem
\hbox\bgroup\usefont{OML}{cmm}{m}{it}%
\else\ifx\math@version\math@boldchem
\hbox\bgroup\usefont{OML}{cmm}{b}{it}%
\else\ifx\math@version\math@bold
\ifupgreekrm
\oldmathnormal\bgroup%
\upgreekrmfalse
\else
\hbox\bgroup\usefont{OML}{cmm}{b}{it}%
\fi
\else
\oldmathnormal\bgroup%
\fi\fi\fi}%
\let\oldmathcal=\mathcal
\def\mathcal#1{%
\ifx\math@version\math@chem
\mathgroup\tw@{\usefont{OMS}{cmsy}{m}{n}#1}%
\else\ifx\math@version\math@boldchem
\mathgroup\tw@{\usefont{OMS}{cmsy}{b}{n}#1}%
\else\ifx\math@version\math@bold
\ifupgreekrm \oldmathcal{#1}%\upgreekrmfalse
\else \oldmathcal{#1}\fi
\else
\oldmathcal{#1}%
\fi\fi\fi}%
\let\oldcal=\cal
\def\cal{%
\ifx\math@version\math@chem
\mathgroup\tw@\usefont{OMS}{cmsy}{m}{n}%
\else\ifx\math@version\math@boldchem
\mathgroup\tw@\usefont{OMS}{cmsy}{b}{n}%
\else\ifx\math@version\math@bold
\ifupgreekrm \oldcal\upgreekrmfalse
\else\oldcal\fi
\else
\oldcal%
\fi\fi\fi}%
\mathversion{normal}%default setting
\endinput
%%
%% End of file `chemtimes.sty'.