has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID249019404 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336554 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919634 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460434 |