has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919422 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336745 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247739486 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460132 |