QUINAZOLIN CROTYL COMPOUND DIMALEATE CRYSTALS AND PREPARATION METHODS AND USES THEREOF
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Accused Products
Abstract
Disclosed are crystal forms K, E, F and G of the dimaleate of the compound as shown in formula I, and preparation methods and uses thereof. The crystal forms K, E, F and G have superior storage stability and solubility, so that they are more suitable for being used as the drug substance for drug product preparations.
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Citations
30 Claims
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1-18. -18. (canceled)
- 19. A crystal form E of the dimaleate of the compound of Formula I,
- 21. A crystal form F of the dimaleate of the compound of Formula I,
- 23. A crystal form G of the dimaleate of the compound of Formula I,
Specification