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