has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336601 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919110 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460684 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246967217 |