Methyl 4-methyl-3-nitro-2-(trifluoromethoxy)pyridine-6-acetate
2-(Chloromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine-6-acetic acid
2-(Chloromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine-4-methanol
2-(Chloromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine-6-acetic acid