has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919696 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459863 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337191 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247537233 |