5-Aminovaleric acid benzyl ester 4-toluenesulfonate salt

Cyclo(L-His-L-Pro)

Glutathione-diethyl ester (reduced)

D-Val-D-Val-OH

Gly-Phe-pNA

Gly-Gly-His-OH

L-Lysine b-naphtylamide carbonate

Trp-Gly-Gly-OH

L-Valyl-L-glutamic acid

n-Octylpentaoxyethylene

五聚乙二醇单辛醚

b-S-(4-Methoxybenzylmercapto)-b,b-cyclopentamethylene-propionic acid