chemfig
Advanced usage
10 Using \chemfig in the tikzpicture environment¶
It is possible to call the \chemfig inside a tikzpicture environment:
\chemfig inside tikzpicture
\begin{tikzpicture}[help lines/.style={thin,draw=black!50}]
\draw[help lines] (0,0) grid (4,4);
\draw(0,0) -- (2,1);
\draw(2,2) circle (0.5);
\node at (1,3) {\chemfig{A=B-[:30]C}};
\node[draw,red,anchor=base] at(3,2){\chemfig{X>[2,,,,blue]Y}};
\end{tikzpicture}