5-(Difluoromethyl)-2-hydroxy-3-methoxypyridine-6-carbonyl chloride
3-(Difluoromethyl)-5-hydroxy-2-methoxypyridine-6-sulfonamide
6-(Aminomethyl)-3-(difluoromethyl)-2-hydroxy-4-methoxypyridine
2-(Aminomethyl)-3-(difluoromethyl)-6-hydroxy-4-methoxypyridine