has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246526275 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460200 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336461 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919747 |