has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336676 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919750 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460582 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID243880327 |