A form of crystalline (2S)-2-hydroxy-3-methyl-N-[(1S)-1-methyl-2-oxo-2-[[(1S)-2,3,4,5-tetrahydro-3-methyl-2-oxo-1H-3-benzazepin-1-yl]amino]ethyl]-butanamide anhydrate Form II having improved flowability and drug-loading properties and a process for its preparation.
一种晶体形式(2S)-2-羟基-3-甲基-N- [(1S)-1-甲基-2-氧代-2- [ [(1S)-2,3,4,5-四氢-3-甲基-2-氧代-1H-3-苯并氮杂环-1-基]
氨基]乙基]丁酰胺无
水物II型,具有改善的流动性和药物负载性能,以及其制备方法。