4-Bromo-5-(difluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine
3-Bromo-5-hydroxy-4-(trifluoromethoxy)pyridine-2-methanol
4-Bromo-3-(difluoromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine
2-Bromo-3-cyano-5-(trifluoromethoxy)pyridine-6-sulfonyl chloride