Open ALTONPHA opened 4 months ago
The code show as follow:
\usepackage{chemfig} \begin{document} \chemfig[atom sep = 2em]{[:-30]-[@{left,.75}]N(-[6]H)-[:30](=[2]O)--[:30]--[:30]--[@{right,0.25}:30]} \polymerdelim[height = 5pt, indice = \!\!n]{left}{right} \bigskip \end{document}
Its curly braces show the region error
The code show as follow:
Its curly braces show the region error