5-(Difluoromethyl)-3-fluoro-4-methyl-2-(trifluoromethoxy)pyridine
3-(Bromomethyl)-2-cyano-4-nitro-6-(trifluoromethoxy)pyridine
6-(Bromomethyl)-3-cyano-2-nitro-4-(trifluoromethoxy)pyridine
2-(Bromomethyl)-4-cyano-6-nitro-3-(trifluoromethoxy)pyridine
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