\documentclass{ppex}
\nonstopmode
\AtBeginDocument {\setlength \unitlength {0.09pt}}
\usepackage {lowcycle}
\pagestyle{empty}
\setlength\textwidth{207.0pt}
\begin{document}
\ResetPreambleCommands
\ReadyForTheFray
\usepackage {lowcycle}
\cyclopentanevi[b]{1D==O;%
  2==Ph}
\cyclopentaneh[H]{1==H;2==F}
\end{document}
