has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247090493 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460229 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337106 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919331 |