has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336840 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245608615 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459806 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919767 |