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