6-(Difluoromethyl)-3-nitro-4-(trifluoromethoxy)pyridine-2-carbonyl chloride
2-(Difluoromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine-6-acetic acid
2-(Difluoromethyl)-5-nitro-3-(trifluoromethoxy)pyridine-4-carbonyl chloride
5-(Chloromethyl)-3-methyl-2-nitro-4-(trifluoromethoxy)pyridine