5-Chloro-4-methoxy-2-(trifluoromethoxy)pyridine-3-acetic acid
4-Chloro-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-acetic acid
3-Chloro-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-acetic acid
6-Chloro-2-methoxy-3-nitro-4-(trifluoromethoxy)pyridine