\begin{overpic}[width=0.49\textwidth]{58d0230}
\put(1,74){\colorbox{white}{(\sublabel{58d0230}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20120523161251-676-202}{58d0230}}}
%%(\subref{58d0230}) \href{58d0230}
\color{red}
\end{overpic}
<?xml version="1.0" encoding="UTF-8"?>
<acquisitions>
</acquisitions>