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