DIPEPTIDYL PEPTIDASE 1 INHIBITOR POLYMORPH, PREPARATION METHOD AND USE THEREFOR

Abstract: disclosed in the present invention are a polymorph of a compound as shown in formula i, and a preparation method and use therefor. the polymorph of the present invention comprises a crystal form b, a crystal form c, and a crystal form d. the polymorph has excellent characteristics of high purity, good solubility, stable physical and chemical properties, resistance to high temperature, high humidity, and strong illumination, low hygroscopicity, etc.

Inventor(s): Jiang Fan, Ying Dou, Zheng Gong, Fengfei Zhu

CPC Classification: C07D413/12 (HETEROCYCLIC COMPOUNDS (macromolecular compounds ))

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