has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919260 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460628 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247842820 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337182 |