4-(Difluoromethyl)-3-nitro-6-(trifluoromethoxy)pyridine-2-carbonyl chloride
4-(Difluoromethyl)-2-nitro-3-(trifluoromethoxy)pyridine-6-carbonyl chloride
3-(Aminomethyl)-4-methyl-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
6-(Aminomethyl)-4-methyl-3-(trifluoromethoxy)pyridine-2-carboxaldehyde