has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919997 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460179 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247546560 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336965 |