Ethyl 2-(chloromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine-4-acetate
Ethyl 6-(chloromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine-2-acetate
Methyl 4-(chloromethyl)-3-methoxy-2-(trifluoromethoxy)pyridine-5-acetate
2-(Fluoromethyl)-3-methoxy-5-(trifluoromethoxy)pyridine-6-acetonitrile