查看“︁马瑞诺”︁的源代码

\documentclass{article}
\usepackage{chemfig}

\begin{document}

% Marenol (马瑞诺) Structure
% IUPAC Name: 12-propyl-8-hydroxy-indolo[2,3-a]pyrrolo[3,4-c]carbazol-5(6H)-one
\chemfig{
    % 这是一个简化的示意图，模拟多环芳烃骨架
    [:30]R-[:30](=O)-[:-30]N(-[:30]CH_3)-[:-90]-[:150]
    -[:210]N-[:150](=^[:90]O)-[:-150]
    -[:180]C(=^[:120]C(-[:180]HO)-[:240])-[:-120]
    -[:-60]N(-[:-120]CH_2CH_2CH_3)-[:0]
    -[:60](=^[:120])-[:0]
}

\end{document}