has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337081 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247491928 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919615 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460428 |