has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID410898838 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID393314205 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID327228130 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID239530613 |