has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336641 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237918936 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245000639 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459798 |