| 摘要 |
PROBLEM TO BE SOLVED: To provide a preparation, exhibiting its efficacy effectively by administering it even in a small amount, showing less adverse effect, and especially useful for the treatment of allergy, asthma, rhinitis or the like. SOLUTION: This inhalation preparation contains a compound expressed by formula I or its pharmaceutically acceptable salt, and preferably the compound of formula I has a form of nanoparticle having 250-400 nm mean particle diameter. COPYRIGHT: (C)2006,JPO&NCIPI
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