3-(Difluoromethyl)-5-nitro-2-(trifluoromethyl)pyridine-4-carbonyl chloride
Methyl 3-(difluoromethyl)-5-nitro-2-(trifluoromethyl)pyridine-4-acetate
3-(Difluoromethyl)-4-nitro-6-(trifluoromethyl)pyridine-2-carbonyl chloride
Methyl 3-(difluoromethyl)-4-nitro-6-(trifluoromethyl)pyridine-2-acetate