Learn how easy it is to sync an existing GitHub or Google Code repo to a SourceForge project! See Demo
for O=Cc1c(OC)nc2s[cH][cH]n12. A test is in patches.
The patch should be:
This seems to be caused by the perception of the type of sulphur.
It's not the sulphur... it has to do with one ring being aromatic in itself, causing it to not try of both rings are aromatic together...
Bug fix patch has been applied.