has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919008 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336884 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243678452 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460709 |