3-(Bromomethyl)-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-acetic acid
Ethyl 4-(difluoromethyl)-5-nitro-2-(trifluoromethoxy)pyridine-3-acetate
Ethyl 4-(difluoromethyl)-3-nitro-5-(trifluoromethoxy)pyridine-2-acetate
Ethyl 4-(difluoromethyl)-6-nitro-2-(trifluoromethoxy)pyridine-3-acetate