2-(Bromomethyl)-5-fluoro-3-nitro-4-(trifluoromethoxy)pyridine
5-(Chloromethyl)-3-fluoro-2-nitro-4-(trifluoromethoxy)pyridine
5-(Chloromethyl)-4-fluoro-2-nitro-3-(trifluoromethoxy)pyridine
2-(Bromomethyl)-3-fluoro-5-nitro-6-(trifluoromethoxy)pyridine
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