has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336886 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247428580 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919448 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459887 |