has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247072101 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919564 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459747 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337102 |