has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919360 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459928 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245020967 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336846 |