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US 11,299,482 B2Granted
Salt and crystal form of modified andrographolide compound and preparation method thereof
AssigneesMedshine Discovery Inc., Heilongjiang Zhenbaodao Pharmaceutical Co., Ltd.
InventorsJianhua Xia, Zhigan Jiang, Haiying He, Jing Wang
Life of this patent
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Abstract
The present invention provides a salt and crystal form of a modified andrographolide compound and a preparation method and pharmaceutical use thereof.
Claims7
A crystal Form A of a compound of Formula (II);
- having an X-ray powder diffraction pattern comprising characteristic diffraction peaks at 2θ angles of:
- 10.00±0.2°, 12.91±0.2°, and 16.27±0.2°.
Dependencies are inferred from the claim text.