has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919545 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID244432065 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337133 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460452 |