5-(Fluoromethyl)-3-methoxy-2-(trifluoromethoxy)pyridine-4-acetic acid
3-(Fluoromethyl)-4-methoxy-5-(trifluoromethoxy)pyridine-2-acetic acid
Ethyl 5-(chloromethyl)-2-methoxy-4-(trifluoromethoxy)pyridine-3-acetate
Ethyl 5-(chloromethyl)-3-methoxy-2-(trifluoromethoxy)pyridine-4-acetate