has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID237919790 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141460256 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391337031 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID248057039 |