9,10-二氢-gamma-氧代-2-菲-丁酸)

Suc-丙氨酰-丙氨酰-丙氨酰-对硝基苯胺

N-benzyl-4-nitrobenzenesulfonamide

4-[2-[2-[2-(3-carboxypropanoyloxy)ethoxy]ethoxy]ethoxy]-4-oxobutanoic acid

4-[2-[3-carboxypropanoyl(methyl)amino]ethyl-methylamino]-4-oxobutanoic acid