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