5-Methyl-2-nitro-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
4-(Chloromethyl)-2-methoxy-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
4-Methyl-5-nitro-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
5-(Chloromethyl)-3-methoxy-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine