Camphorsulfonic acid

((1R,4S)-7,7-Dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonic acid

Hippuric acid

(S)-2-(2-Benzamidoacetamido)-3-phenylpropanoic acid

Glycylglycine

Aminocaproic acid

Bz-Arg-OEt.HCl

Nalpha-Benzoyl-L-argininaMide Hydrochloride Monohydrate

N-(5-Guanidino-1-((4-nitrophenyl)amino)-1-oxopentan-2-yl)benzamide hydrochloride

N-Benzoyl-L-tyrosine ethyl ester

Tos-Arg-OMe.HCl

Tos-Lys-chloromethylketone HCl