has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460660 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919493 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247571813 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337233 |