Ethyl 3-(bromomethyl)-2-cyano-6-(trifluoromethoxy)pyridine-5-acetate
Ethyl 3-(bromomethyl)-2-cyano-5-(trifluoromethoxy)pyridine-4-acetate
6-Chloro-2-(fluoromethyl)-4-(trifluoromethoxy)pyridine-3-methanol
6-Chloro-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-methanol