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