has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459750 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919593 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244692790 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336489 |