CRYSTAL FORM OF QAW-039, PREPARATION METHOD AND USE THEREOF

摘要

The invention relates to a crystal form of a compound (I), a preparation method and use thereof, a pharmaceutical composition containing said crystal form, and the use of the crystal form in preparing the prostaglandin D2 receptor 2 antagonist and a drug preparation for treating asthma, allergic dermatitis or allergic rhinitis. Said crystal form has a low hygroscopicity, good stability and high dissolution rate, and the formulation thereof is exploitable and may provide new options for developing a drug containing a compound (I).