5-Bromo-4-(chloromethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine
2-Bromo-4-(chloromethyl)-3-methoxy-6-(trifluoromethoxy)pyridine
2-Bromo-4-methoxy-3-(trifluoromethoxy)pyridine-6-acetic acid
4-Bromo-6-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetic acid