3-Fluoro-4-nitro-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
3-(Aminomethyl)-2-fluoro-5-methoxy-4-(trifluoromethoxy)pyridine
3-Fluoro-2-nitro-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride
6-(Aminomethyl)-2-fluoro-3-methoxy-4-(trifluoromethoxy)pyridine