COMPOSITION CONTAINING NITROGEN HETEROCYCLIC HEXAPEPTIDE PRECURSOR AND PREPARATION METHOD AND APPLICATION THEREOF

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专利权人:

SHANGHAI TECHWELL BIOPHARMACEUTICAL CO.; LTD

发明人:

Shidong LIU,Xiusheng WANG,Xiaoming JI

申请号：

US15538905

公开号：

US20170349627A1

申请日:

2015.12.24

申请国别(地区):

US

年份:

2017

代理人:

摘要：

Disclosed is a preparation method of a composition containing a nitrogen heterocyclic hexapeptide precursor, composition A and B containing a nitrogen heterocyclic hexapeptide precursor of a compound having formula I and formula II obtained by the method, and an application of the composition used for preparing a compound having formula III.

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