4-Bromo-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-acetic acid
4-Bromo-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-acetic acid
2-Chloro-4-nitro-5-(trifluoromethoxy)pyridine-3-methanol
3-Bromo-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-4-acetic acid