| abstract |
The invention provides a flurbiprofen axetil crystal and a preparation method thereof, specifically, the invention provides a flurbiprofen axetil crystal form I, which is characterized in that X-ray diffraction powder diffraction is at 14.2°±0.2° , 16.3°±0.2°, 16.6°±0.2°, 17.5°±0.2°, 18.1°±0.2°, 21.8°±0.2°, 22.3°±0.2°, 23.9°±0.2°, 25.6°±0.2°, 26.3 There is a characteristic peak at ±0.2°. The invention also discloses a preparation method of flurbiprofen axetil crystal. The preparation method is simple, and has potential development and application value for the industrial manufacture of flurbiprofen axetil and the field of pharmaceutical preparations. |