(rac.)-(1R*,5S*)-7-{6-[2-(2,6-Dichloro-4-methyl-phenoxy)-ethoxy]-pyridin-3-yl}-9-methyl-3,9-diaza-bicyclo[3.3.1]non-6-ene-3,6-dicarboxylic Acid 3-tert-butyl Ester 6-ethyl Ester (HCID 131728972)|Huagongshe