4-(2-carboxyethylthio)testosterone N-succinimidyl ester

(2,5-dioxopyrrolidin-1-yl) 4-nitrobenzoate

4-(((4-bromo-2,5-dichlorophenoxy)(ethoxy)phosphorothioyl)amino)butanoic acid

海水蓝琥珀酰亚胺基酯