4-Chloro-2-methyl-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
4-Chloro-3-(difluoromethyl)-5-nitro-2-(trifluoromethoxy)pyridine
5-Chloro-3-methyl-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
4-Chloro-6-(difluoromethyl)-2-nitro-3-(trifluoromethoxy)pyridine