Ethyl 2-(aminomethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 2-(fluoromethyl)-4-hydroxy-5-(trifluoromethoxy)pyridine-3-acetate
Ethyl 5-(difluoromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 2-(aminomethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-6-carboxylate