Boc-Arg(Tos)-OH: CAS NO.:1337-8; Appearance: white crystalline powder; Assay: not less than 98.5% (HPLC);

Boc-D-Arg(NO2)-OH: CAS NO.:5012-7; Appearance: white crystalline powder; Assay: not less than 98.5% (HPLC);

Boc-L-Asn-OH : Appearance: white crystalline powder; Assay: not less than 98.5% (HPLC);

Boc-Asp-OH : Appearance: white crystalline powder; Assay: not less than 98.5% (HPLC);

BOC-D-Aspartic Acid : Appearance: white crystalline powder; Assay: not less than 98.5% (HPLC);

Boc-Gln-OH : Appearance: white crystalline powder; Assay: not less than 98.5% (HPLC);