has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919557 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336871 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460469 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245919670 |