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