4-Bromo-2-hydroxy-5-(trifluoromethoxy)pyridine-3-sulfonamide
2-Bromo-6-cyano-3-(fluoromethyl)-4-(trifluoromethoxy)pyridine
2-Amino-3-(chloromethyl)-5-(trifluoromethoxy)pyridine-6-acetic acid
5-Bromo-3-hydroxy-2-(trifluoromethoxy)pyridine-4-sulfonamide