has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919015 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247421522 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337066 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460203 |