Ethyl 2-(aminomethyl)-3-chloro-4-(difluoromethyl)pyridine-6-carboxylate
3-(Difluoromethyl)-4-methoxy-6-(trifluoromethoxy)pyridine-2-acetic acid
5-Cyano-4-hydroxy-2-(trifluoromethoxy)pyridine-3-methanol
3-Chloro-4-hydroxy-6-nitro-2-(trifluoromethoxy)pyridine