Methyl 2-(chloromethyl)-6-iodo-3-(trifluoromethoxy)pyridine-5-acetate
2-(Chloromethyl)-3-methoxy-4-nitro-6-(trifluoromethoxy)pyridine
Methyl 2-(chloromethyl)-4-iodo-6-(trifluoromethoxy)pyridine-3-acetate
4-(Bromomethyl)-3-methoxy-6-nitro-2-(trifluoromethoxy)pyridine