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