has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248674430 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919032 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336526 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460705 |