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