has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919056 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336572 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459867 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246935490 |