has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336707 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919005 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460454 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246211868 |