has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919046 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460574 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336755 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246990331 |