has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243973220 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337002 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919720 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460445 |