4-(Difluoromethyl)-3-nitro-2-(trifluoromethyl)pyridine-6-carbonyl chloride
5-(Difluoromethyl)-2-nitro-4-(trifluoromethyl)pyridine-3-sulfonamide
5-(Difluoromethyl)-4-nitro-3-(trifluoromethyl)pyridine-2-carbonyl chloride
3-(Difluoromethyl)-4-nitro-2-(trifluoromethyl)pyridine-6-carbonyl chloride