has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919723 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246355661 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336394 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459912 |