Hi Openbabel developers, I am trying to reproduce the data from this paper: https://www.ncbi.nlm.nih.gov/pubmed/25618349
They listed 20 chemical descriptors used for a pca analysis. I am having trouble figuring out how they calculated the ring system count. Is there a way to count the number of ring systems as opposed to standard rings? For example, spiro rings are considered one instead of two, etc. I simply know how to get ring count through: mol.OBMol.GetSSSR(). Also, I don't know how to count the number of R stereocenters and S stereocenters. Is this possible with Openbabel? I would assume so since it can do a lot of things. Thank you. Best regards, Spencer
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