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dan2097 / opsin

Open Parser for Systematic IUPAC Nomenclature. Chemical name to structure conversion
https://opsin.ch.cam.ac.uk
MIT License
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6-chloro-7-deazapurine #258

Open IngvarLa opened 5 months ago

IngvarLa commented 5 months ago

Opsin gives ClC1=C2CC=NC2=NC=N1 for 6-chloro-7-deazapurine

I would expect ClC1=C2C=CNC2=NC=N1

i.e., that an H migrates to the other N in the 5-membered ring, rather than stay on transmuted C