| 摘要 |
A new peptide derivative is provided. The peptide derivative is represented by the following general formula (I),
where polypeptide ExP is a polypeptide that contains completely or partially the amino acid sequence of exendin-4, and the -L-Z group represents a group represented by the following formula (II) that is bound to an amino acid side chain of, or the ±-amino group at the N-terminus of, the polypeptide ExP,
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