has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247336534 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336969 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460448 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919483 |