has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919949 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336465 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246178981 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460698 |