Ethyl 4-(aminomethyl)-3-(difluoromethyl)-2-hydroxypyridine-5-acetate
2-(Difluoromethyl)-4-iodo-5-methoxypyridine-3-carboxaldehyde
5-(Difluoromethyl)-2-iodo-4-methoxypyridine-3-methanol
4-(Difluoromethyl)-3-hydroxy-5-(trifluoromethyl)pyridine-2-acetonitrile