Abstract:
The disclosure is directed to a monohydrate crystalline form of 3-(5-(4-(3-fluoropropyl)piperazin-1-yl)benzimidazol-2-yl)-1-azaazulen-2-one, possessing diffraction peaks of about 12.9°, 15.9°, 17.9°, 21.2°, 22.9°, 23.5° and 24.5°. Its preparation method and pharmaceutical composition thereof are also provided.