Shanghai Techwell Biopharmaceutical Co., Ltd.

Yubin Liu

Jun Yang

Xiaoming Ji

Zhijun Tang

Bingming He

Provided are a crystal form B of a compound having the structure as represented by formula I, and preparation method and use thereof. The X-ray powder diffraction (XRPD) chart of the crystal form B has characteristic peaks at the following diffraction angles: 2.9&#xb1;0.2&#xb0;, 6.5&#xb1;0.2&#xb0;, 12.6&#xb1;0.2&#xb0;, 13.1&#xb1;0.2&#xb0; and 20.6&#xb1;0.2&#xb0;. 

Crystal form of prostaglandin analogue, and preparation method and use thereof

Provided are a crystal form A of a compound having the structure as represented by formula I, and preparation method and use thereof. The X-ray powder diffraction (XRPD) chart of the crystal form A has characteristic peaks at the following diffraction angles: 2.9&#xb1;0.2&#xb0;, 13.6&#xb1;0.2&#xb0;, 17.3&#xb1;0.2&#xb0; and 18.6&#xb1;0.2&#xb0;. 

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Yubin Liu