8-HYDROXY-5-[(-HYDROXY-2-[[ (1R)-2-(4-METHOXYPHENYL)-1-METHYLETHYL] AMINO ][ETHYL] -2(1H)-QUINOLINONE MONOHYDROCHLORIDE IN CRYSTALLINE FORM AND THE PROCESS FOR ITS PREPARATION.

摘要

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.