2-(Bromomethyl)-5-(difluoromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine
2-(Bromomethyl)-5-(difluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine
2-Iodo-3-methoxy-6-(trifluoromethoxy)pyridine-5-sulfonyl chloride
6-(Bromomethyl)-4-(difluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine