has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919953 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460008 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337227 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246928478 |