has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460042 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336964 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID247813141 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919533 |