has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336475 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245532710 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919102 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460535 |