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