%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 8-2-9 on page 525.
%% 
%%  Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss 
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 

\documentclass{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{348.0pt}
\StartShownPreambleCommands
\usepackage{array}\usepackage{xymtexps}
\StopShownPreambleCommands
\begin{document}
\setlength{\tabcolsep}{1mm}
\changeunitlength{.06pt}
\begin{tabular}{@{}>{\small}lcccc@{}}\hline
\emph{Ring Size}
 & \multicolumn{4}{c@{}}{\itshape\small Specific Commands}\\\hline
6
 & \bzdrv            {1==a1;2==a2;3==a3}
  & \bzdrh           {1==a1;2==a2;3==a3} \\[-4mm]
 & \footnotesize\verb|\bzdrv|
  & \footnotesize\verb|\bzdrh| \\
6,6
 & \naphdrv          {1==a1;2==a2;3==a3}
  & \naphdrh         {1==a1;2==a2;3==a3}
   & \naphdrvb       {1==a1;2==a2;3==a3}
    & \naphdrvt      {1==a1;2==a2;3==a3}\\[-1mm]
 & \footnotesize\verb|\naphdrv|
  & \footnotesize\verb|\naphdrh|
   & \footnotesize\verb|\naphdrvb|
    & \footnotesize\verb|\naphdrvt| \\
 & \tetralinev       {1==a1;2==a2;3==a3}
  & \tetralineh      {1==a1;2==a2;3==a3}
   & \tetralinevb    {1==a1;2==a2;3==a3}
    & \tetralinevt   {1==a1;2==a2;3==a3} \\[-1mm]
 & \footnotesize\verb|\tetralinev|
  & \footnotesize\verb|\tetralineh|
   & \footnotesize\verb|\tetralinevb|
    & \footnotesize\verb|\tetralinevt| \\
6,6,6
 & \anthracenev    {1==a1;2==a2;3==a3}
  & \phenanthrenev {1==a1;2==a2;3==a3}
   & \\[-4mm]
 & \footnotesize\verb|\anthracenev|
  & \footnotesize\verb|\phenanthrenev|
   & \\\hline
\end{tabular}
\end{document}