Ethyl 6-bromo-3-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 2-chloro-4-cyanopyridine-6-acetate
6-(Aminomethyl)-4-methoxy-3-(trifluoromethoxy)pyridine-2-carboxylic acid
Ethyl 4-cyano-3-(difluoromethyl)-2-(trifluoromethyl)pyridine-5-acetate