The invention relates to 8-hydroxy-5- [(1 R)-1-hydroxy-2[[(1R)-2-(4-methoxyphenyl)-1-methyl ethyl] amino] ethyl] -2 (1 H)-quinolinone monohydrochloride of formula (I) in crystalline form, provided with suitable characteristics in order to be used for the preparation of pharrmaceutical compositions for inhalation in combination with suitable carriers or vehicles and the process for its preparation.
本发明涉及具有适当特性的晶体形式的8-羟基-5-[(1R)-1-羟基-2-[[(1R)-2-(4-
甲氧基苯基)-1-甲基乙基]
氨基]乙基]-2(1H)-
喹啉酮单盐酸盐(I)的制备方法,该晶体形式可与适当的载体或车辆结合用于制备吸入用药物组合物。