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US 2019/0194168 A1Published application
Crystal form, salt type of substituted 2-hydro-pyrazole derivative and preparation method therefor
AssigneeChia Tai Tianqing Pharmaceutical Group Co., Ltd.
InventorsCharles Z. Ding, Shuhui Chen, Lihong Hu, Zhaobing Xu, Yingchun Liu, Bingjie Ren, Weidong Li, Zongbin Li, Rui Zhao, Xiquan Zhang
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Abstract
A crystal form and a salt type of a substituted 2-hydro-pyrazole derivative, preparation method therefor, and use of the crystal form and the salt type in preparation of a medicament for treating cancers such as breast cancer, lung cancer and the like.
Claims28
A maleate salt of the compound of formula (I)
8-11. (canceled)
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A crystal form of the compound of formula (I),
- wherein an X-ray powder diffraction spectrum of the crystal form has characteristic diffraction peaks at the following 2θ angles:
- 12.88±0.2°, 14.18±0.2°, 16.72±0.2°, 17.49±0.2°, 19.21±0.2°, 21.06±0.2°, 21.65±0.2°, and 24.14±0.2°.
19-22. (canceled)
24-30. (canceled)
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Dependencies are inferred from the claim text.