has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247870508 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237920015 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337291 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460107 |