Ethyl 6-(difluoromethyl)-4-fluoro-2-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 2-fluoro-5-hydroxy-4-(trifluoromethoxy)pyridine-3-carboxylate
4-(Aminomethyl)-2-hydroxy-6-methoxy-3-(trifluoromethoxy)pyridine
Ethyl 2-(difluoromethyl)-4-fluoro-5-(trifluoromethoxy)pyridine-3-carboxylate