has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID242684790 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919526 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391336695 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460112 |