has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459759 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID249045756 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919266 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336725 |