chemstruct – Structural organic chemistry
An ingenious package that will also work with Plain TeX. There are signs that it may have been (in part) inspiration for XyMTeX.
Download the contents of this package in one zip archive (154.6k).
Maybe you are interested in the following packages as well.
- bpchem: Typeset chemical names, formulae, etc
- chemscheme: Support for chemical schemes
- chemstyle: Writing chemistry with style
- carbohydrates: Carbohydrate molecules with chemfig