has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237920048 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460591 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247343773 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337259 |