3-Bromo-5-chloro-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine
2-Bromo-6-cyano-3-(trifluoromethoxy)pyridine-4-acetic acid
5-Bromo-4-chloro-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine
2-Amino-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetic acid