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