Disclosed is a crystalline form of the compound of formula (I), characterised by an endothermic melting transition between 20 and 30 J/g at temperatures from 125°C to 135°C, determined by differential scanning calorimetry (DSC) and by its X-ray diffraction spectrum.
揭示了一种化合物的结晶形式,其特征是在125°C至135°C温度范围内,通过差示扫描量热法(
DSC)和X射线衍射光谱确定,在20到30 J/g之间具有一个吸热熔化转变。