has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246701571 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460348 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336836 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919816 |