has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919491 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459998 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336780 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID246437921 |