5
votes
1answer
69 views

Error with newcommand and \def

Can anyone ples help with this problem: \documentclass[fontsize=12pt,paper=a4,headsepline]{scrartcl} \usepackage{chemfig,chemmacros} \def\nc{\arrow{0}[,0]} \begin{document} What it is: ...
4
votes
1answer
421 views

How to modify just some nodes' styles in chemfig

In the following molecular drawing, I want to only circle the rightmost OH of the first molecule and the leftmost H of the second, to show that they are the ones that are involved in the formation of ...