has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336852 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247460978 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919248 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459773 |