has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245247534 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460488 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919919 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336919 |