Clemens Niederberger submitted an update to the
chemnum
package.
Version number: 1.2 2016-04-14 License type: lppl1.3
Summary description: A method of numbering chemical compounds
Announcement text: ---------------------------------------------------------------------- added support for hyperlinks linking from further uses of a label to the first usage ----------------------------------------------------------------------
This package is located at http://mirror.ctan.org/macros/latex/contrib/chemnum
More information is at http://www.ctan.org/pkg/chemnum
We are supported by the TeX users groups. Please join a users group; see http://www.tug.org/usergroups.html .
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Thanks for the upload.
For the CTAN Team Erik Braun