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