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MET-MET-ARG-ASP-SER-GLY-CYS-PHE-GLY-ARG-ARG-ILE-ASP-ARG-ILE-GLY-SER-LEU-SER-GLY-MET-GLY-CYS-ASN-GLY-SER-ARG-LYS-ASN (DISULFIDE BRIDGE CYS7-CYS23 )价格
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