4-(Bromomethyl)-2-(difluoromethyl)-5-hydroxypyridine-3-carboxaldehyde
2-(Difluoromethyl)-6-hydroxy-4-nitropyridine-3-methanol
Ethyl 4-(bromomethyl)-5-(difluoromethyl)-3-hydroxypyridine-2-carboxylate
3-(Difluoromethyl)-2-hydroxy-5-nitropyridine-6-acetic acid