Egon Willighagen

> Hi @egonw, when you have a moment, please have a look at the comments. Hi @proccaserra, done.

## Why this recipe? It is a step in the larger work described in https://github.com/FAIRplus/the-fair-cookbook/issues/396 ## Author Egon ## Abstract IUPAC names describe chemical structures, but one chemical compound can...

Preview: https://egonw.github.io/cookbook-dev/content/recipes/infrastructure/iupac-names.html

```groovy @Grab(group='io.github.egonw.bacting', module='managers-inchi', version='0.0.42') @Grab(group='io.github.egonw.bacting', module='managers-opsin', version='0.0.42') @Grab(group='org.apache.logging.log4j', module='log4j-api', version='2.18.0') @Grab(group='org.apache.logging.log4j', module='log4j-core', version='2.18.0') workspaceRoot = "../ws" opsin = new net.bioclipse.managers.OpsinManager(workspaceRoot); inchi = new net.bioclipse.managers.InChIManager(workspaceRoot); anInChI = inchi.generate( opsin.parseIUPACName("methane") ) println...

Or in Python: 

before the end of August.

My summer did not go as planned. But making the PR now.

@proccaserra, @robertgiessmann, feedback most welcome. It's based on the December presentation (see our internal drive) and the last two are in reply to the suggestion by @proccaserra in today's dash.

The problem here is this. Many database delete or deprecate identifiers, including ELIXIR Core Resources. It is currently not easy to figure out in some data set if outdated identifiers...

**Author** would be Lucas, with support from @DeniseSl22 and me.