has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336606 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246715014 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460482 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919712 |