Orbit azine-fumarate, hydrate, crystal form and preparation method therefor
Abstract:
Orbit azine-fumarate compounds are provided having the following formula: Different crystal forms of orbit azine-fumarate, an orbit azine-fumarate hydrate and a crystal form thereof, and an amorphous form of orbit azine-fumarate are prepared by adjusting the ratio of orbit azine and fumaric acid and using different crystallization methods. The invention makes it possible to provide an orbit azine-fumarate which has a higher pharmaceutical effect, is easier to prepare, and has improved storage stability.
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