\begin{overpic}[width=0.49\textwidth]{cbk1_h_41_pl}
\put(1,74){\colorbox{white}{(\sublabel{cbk1_h_41_pl}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20190312093918-622362}{cbk1_h_41_pl}}}
%%(\subref{cbk1_h_41_pl}) \href{cbk1_h_41_pl}
\color{red}
\put(50.7,19.8){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20170615191521-217789}{spot of ys_pl_CBK1a@18}} % 20170615191521-217789 % \vs(4108.9, -3952.8)
\put(48.8,40.0){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190308113537-340318}{spot of to_pl_cbk1a_h@41}} % 20190308113537-340318 % \vs(4101.3, -3888.6)
%%scale 10 micro meter
\put(1,1){\line(1,0){3.0}}
\end{overpic}