has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919658 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459847 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336409 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246690358 |