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Boc-Lys-OMe HCl

BOC-GLU(OBUT)-ONP

Boc-Glu(Ofm)-OH

Boc-D-Cys(Trt)-OH

Boc-Cys(Acm)-ONp

Boc-Arg(Mts)-OH

H-N-Me-Ser-OH.HCl