Ac-DL-Ala-OH
Ac-D-Asn-OH
Ac-D-Arg-OH
Ac-D-Ala-D-lactic acid
Ac-D-2-Nal-OH
Ac-Cys(Trt)-OH
Ac-Cys(farnesyl)-OMe
Ac-Asp-pNA
Ac-Asp-OMe
Ac-Asp-NH₂
Ac-Asp-Met-Gln-Asp-AMC
Ac-Asp-Glu-Val-Asp-pNA
Ac-Asp-Glu-Val-Asp-aldehyde (pseudo acid)
Ac-Asp-Glu-Asp(EDANS)-Glu-Glu-Abu-L-lactoyl-Ser-Lys(DABCYL)-NH₂
Ac-Asp-Arg-Leu-Asp-Ser-OH
Ac-Asp(Glu-OH)-OH
Ac-Asn-OH
Ac-Asn(Trt)-OH
Ac-Arg-Ser-Leu-Lys-AMC
Ac-Arg-pNA . HCl