has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919985 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460217 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336459 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248953599 |