Z-β-Ala-OSu

N-(四氢-2H-吡喃-2-氧基)琥珀酰亚胺

N-(2-氨基苯甲酰氧基)琥珀酰亚胺

(2,5-dioxopyrrolidin-1-yl) naphthalene-2-carboxylate

(2,5-dioxopyrrolidin-1-yl) 2,2,2-trifluoroacetate