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