has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243864112 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336754 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460006 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919552 |