has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919524 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336364 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247957129 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460408 |