has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID249184782 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID141714726 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID233609282 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID391430142 |