has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919587 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460731 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID242958732 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336783 |