High-purity cyclopeptide crystal as well as preparation method and use thereof

摘要

Abstract A high purity cyclopeptide crystal has a structure shown by Formula I. T-I{ OHE H N 0-H form la I R represents H or a cation forming a pharmaceutically acceptable salt. Also disclosed are a preparation method and a use of the high-purity cyclopeptide crystal. -2 7350232_1