has PubChem normalized counterpart |
http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID392860340 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID131529118 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID228836782 http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID138112570 |