has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141459962 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336367 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID245942866 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919467 |