5-Methoxy-2-nitro-3-(trifluoromethoxy)pyridine-4-carbonyl chloride
3-(Aminomethyl)-4-methoxy-2-nitro-5-(trifluoromethoxy)pyridine
4-Methoxy-5-nitro-3-(trifluoromethoxy)pyridine-2-carbonyl chloride
3-(Aminomethyl)-2-methoxy-4-nitro-5-(trifluoromethoxy)pyridine