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