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