has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337272 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248967258 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919808 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460339 |