FORMA CRISTALINA QALFA DE MALEATO DE (R)-5-[2-(5,6-DIETIL-INDAN-2-IL-AMINO)-1-HIDROXI-ETIL]-8-HIDROXI-1H-QUINOLIN-2-ONA; PROCEDIMIENTO DE PREPARACION; COMPOSICION FARMACEUTICA QUE LO COMPRENDE; Y USO PARA EL TRATAMIENTO DE UNA ENFERMEDAD INFLAMATORIA

摘要

New polymorphic crystal form of (R)-5-[2-(5,6-diethyl-indan-2-ylamino)-1-hydroxyethyl]-8-hydroxy-1 H-quinolin-2-one maleate designated crystal form Qalpha that is useful in the treatment of inflammatory or obstructive airways diseases. A method for preparing crystal form Qalpha is also described.