has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919249 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337130 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460632 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246702279 |