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.
- chemcono: Support for compound numbers in chemistry documents
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- mychemistry: Create reaction schemes with LaTeX and ChemFig
- chemcompounds: Simple consecutive numbering of chemical compounds