2-(Bromomethyl)-5-methoxy-4-nitro-3-(trifluoromethoxy)pyridine
2-(Bromomethyl)-3-methoxy-5-nitro-4-(trifluoromethoxy)pyridine
4-(Aminomethyl)-5-methoxy-2-nitro-3-(trifluoromethoxy)pyridine
5-(Aminomethyl)-3-methoxy-2-nitro-4-(trifluoromethoxy)pyridine