称谓
褪黑素 Melatonin
MT
$结构式:$
\usepackage{chemfig}
\begin{document}
\chemfig{
(-[7.3,1]N(-[6,0.3]H)-[0.7,1](=[2,1]O)-[7.3,1])
(-[4.7,1]
-[3.3,1]*5(
=-N(-[2,0.3,,,,transparent]H)-*6(
-=
-(-[5.7,1]O(-[4,1]))=
-
)=-
)
)
}
\end{document}