has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337252 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247539390 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919416 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460086 |