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Hi,

I am trying to draw AIBN with the chemfig package:
\chemfig{N~[7]C-[7](-[7]CH_3)(-[5]CH_3)-[1]N=[7]N-[1](-[1]CH_3)(-[3]CH_3)-[7]C~[7]N}
\hspace{.5cm} $\xrightarrow{60 ^{\circ}\mathrm{C}}$ \hspace{.5cm} 2 \hspace{.5cm}
\chemfig{N~[7]\lewis{0.,C}-[7](-[7]CH_3)(-[5]CH_3)} \hspace{.5cm} + \hspace ...