Ethyl 2-bromo-3-chloro-5-(trifluoromethoxy)pyridine-4-acetate
Ethyl 2-bromo-3-chloro-4-(trifluoromethoxy)pyridine-6-acetate
Ethyl 2-bromo-3-chloro-4-(trifluoromethoxy)pyridine-5-acetate
Ethyl 3-amino-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-acetate