Ethyl 5-(difluoromethyl)-2-nitro-4-(trifluoromethoxy)pyridine-3-carboxylate
5-(Aminomethyl)-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-2-acetonitrile
Ethyl 6-(difluoromethyl)-2-nitro-3-(trifluoromethoxy)pyridine-4-carboxylate
3-(Aminomethyl)-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-acetonitrile