The present invention is related to a compound comprising a cyclic peptide of formula (I) and an N-terminal modification group A attached to Xaa1, wherein each and any one of Xaa1, Xaa2, Xaa3, Xaa4, Xaa5, Xaa6 and Xaa7 is a residue of an amino acid, and Yc is a structure of formula (X).
本发明涉及一种化合物,该化合物包括公式(I)的环肽和附加在Xaa1上的N-末端修饰基团A,其中Xaa1、Xaa2、Xaa3、Xaa4、Xaa5、Xaa6和Xaa7中的任何一个都是
氨基酸残基,而Yc是公式(X)的结构。