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