has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244342987 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460197 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919650 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336768 |