has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919432 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336553 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244795647 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460080 |