Ethyl 4-(aminomethyl)-5-cyano-3-(trifluoromethoxy)pyridine-2-acetate
Ethyl 6-(bromomethyl)-4-chloro-3-(difluoromethyl)pyridine-2-carboxylate
Methyl 3-amino-5-chloro-6-(difluoromethyl)pyridine-2-acetate
2-(Difluoromethyl)-3-iodo-4-(trifluoromethoxy)pyridine-6-methanol