6-(Bromomethyl)-4-(difluoromethyl)-3-hydroxypyridine-2-methanol
2-(Bromomethyl)-4-(difluoromethyl)-3-hydroxypyridine-5-methanol
2-(Bromomethyl)-3-(difluoromethyl)-4-hydroxypyridine-5-methanol
5-(Difluoromethyl)-4-hydroxy-3-nitro-2-(trifluoromethyl)pyridine