has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336885 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460186 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919589 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247819200 |