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