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