has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245182550 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919818 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460089 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336437 |