\begin{overpic}[width=0.49\textwidth]{cbk1_h_17_vein}
\put(1,74){\colorbox{white}{(\sublabel{cbk1_h_17_vein}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20190311092555-188648}{cbk1_h_17_vein}}}
%%(\subref{cbk1_h_17_vein}) \href{cbk1_h_17_vein}
\color{red}
\put(50.4,25.0){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20170628190706-733206}{spot of ys_vein_CBK1a@22}} % 20170628190706-733206 % \vs(3998.8, -2532.6)
\put(49.1,39.5){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190308113536-219014}{spot of to_vein_cbk1a_h@17}} % 20190308113536-219014 % \vs(3998.4, -2488.2)
%%scale 10 micro meter
\put(1,1){\line(1,0){4.0}}
\end{overpic}