The present invention provides a compound which is a hydroxyquinolinone derivative of formula (I),
in the form of a racemate, a stereoisomer or a mixture of stereoisomers, or a pharmaceutically acceptable salt or solvate thereof, for use in a method of treating a pulmonary disease or condition associated with β2 adrenergic receptor activity in a mammal, in which the compound is administered by the inhalatory route at a metered nominal dose of less than 5 µg.
本发明提供了一种化合物,它是式 (I) 的羟基
喹啉酮衍
生物、
外消旋体、立体异构体或立体异构体混合物形式的化合物,或其药学上可接受的盐或溶液,用于治疗哺乳动物与 β2
肾上腺素能受体活性相关的肺部疾病或病症的方法,其中该化合物通过吸入途径给药,计量标称剂量小于 5 µg。