4-(Difluoromethyl)-3-methoxy-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
5-(Aminomethyl)-2-methyl-3-nitro-4-(trifluoromethoxy)pyridine
6-(Aminomethyl)-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-carboxaldehyde
4-(Aminomethyl)-3-methyl-2-nitro-5-(trifluoromethoxy)pyridine