has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459953 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919759 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247484463 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337035 |