has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID233600547 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391430233 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247667384 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141714694 |