5-Methoxy-2-nitro-3-(trifluoromethoxy)pyridine-6-acetic acid
2-(Aminomethyl)-4-methoxy-5-nitro-3-(trifluoromethoxy)pyridine
3-Methoxy-5-methyl-4-(trifluoromethoxy)pyridine-2-carbonyl chloride
4-Methoxy-3-nitro-2-(trifluoromethoxy)pyridine-6-acetic acid