has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336805 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460603 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246461083 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919430 |