3-(Difluoromethyl)-6-methoxy-2-(trifluoromethoxy)pyridine-4-acetic acid
5-(Chloromethyl)-4-methoxy-2-(trifluoromethoxy)pyridine-3-acetic acid
3-(Fluoromethyl)-6-methoxy-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-(Chloromethyl)-4-methoxy-5-(trifluoromethoxy)pyridine-2-acetic acid