has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID233613275 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141714749 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391430196 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245251904 |