has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247042901 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460676 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336604 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919591 |