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