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