\begin{overpic}[width=0.49\textwidth]{ys_chr_ok10vma_3207_3208}
\put(1,74){\colorbox{white}{(\sublabel{ys_chr_ok10vma_3207_3208}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20161109191703-592115}{ys_chr_ok10vma_3207_3208}}}
%%(\subref{ys_chr_ok10vma_3207_3208}) \href{ys_chr_ok10vma_3207_3208}
\color{red}
\put(45.4,40.8){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20161109191704-889175}{spot of ys_chr_ok10vma@3208}} % 20161109191704-889175 % \vs(558.7, -3643.7)
\put(52.9,45.2){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20161109191701-261640}{spot of ys_chr_ok10vma@3207}} % 20161109191701-261640 % \vs(603.5, -3615.6)
\put(44.6,45.4){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20170907192624-797726}{spot of ys_chr_OK10VMa@19}} % 20170907192624-797726 % \vs(553.8, -3617.0)
%%scale 100 micro meter
\put(1,1){\line(1,0){17.0}}
\end{overpic}