Ethyl 2-(difluoromethyl)-3-methoxy-6-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 6-(aminomethyl)-3-methoxy-2-(trifluoromethoxy)pyridine-4-acetate
Ethyl 2-(difluoromethyl)-3-methoxy-5-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 2-(aminomethyl)-5-methoxy-3-(trifluoromethoxy)pyridine-6-acetate