has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244479600 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460295 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919075 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336968 |