has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243658394 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237918959 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460330 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336982 |