has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336782 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460557 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244241478 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919994 |