has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336587 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460437 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246770971 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919181 |