has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919059 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247988223 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336729 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459886 |