Boc-Arg(Tos)-OSu

Boc-Arg(Tos)-OSu

Boc-Chg-OSu

Boc-Chg-OSu

Boc-Cys(Trt)-OSu

Boc-Cys(Trt)-OSu

Boc-Glu(OSu)-OSu

Boc-Glu(OSu)-OSu

Boc-D-Phg-OSu

Boc-D-Phg-OSu

Boc-D-Trp-OSu

Boc-D-Trp-OSu

Boc-Arg(NO2)-OSu

Boc-Arg(NO2)-OSu

Boc-Asn-Osu

Boc-Asn-Osu

(Boc-Cys-OSu)2

(Boc-Cys-OSu)2