(S)-4-tert-Butyl 1-(2,5-dioxopyrrolidin-1-yl) 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)succinate

fmoc-l-aspartic acid beta-t-butyl-alpha-n-hydroxysuccinimide di-ester ; fmoc-asp(obut)-osu ; fmoc-l-aspartic acid-beta-t-butyl ester alpha-n-hydroxysuccinimide ester ; fmoc-l-aspartic acid 4-tert-butyl 1-(hydroxysuccinimide) ester ; fmoc-l-aspartic acid beta-t-butyl n-hydroxysuccinimide ester ; butanoicacid, 4-[(2,5-dioxo-1-pyrrolidinyl)oxy]-3-[[(9h-fluoren-9-ylmethoxy)carbonyl]amino]-4-oxo-,1,1-dimethylethyl ester, (3s)- (9ci) ; fmoc-l-aspartic acid 4-t-butyl 1-hydro-xysuccinimide) ester ; fmoc-aspartic acid(otbu)-osu ; n-fmoc-b-t-butyl-l-aspartic acid n-*hydr oxysuccinim ; fmoc-asp(otbu)-osu ; fmoc-l-asp(tbu)-osu ; butanoic acid,4-[(2,5-dioxo-1-pyrrolidinyl)oxy]-3-[[(9h-fluoren-9-ylmethoxy)carbonyl]amino]-4-oxo-,1,1-dimethylethyl ester, (s)- ; l-aspartic acid,n-[(9h-fluoren-9-ylmethoxy)carbonyl]-, 4-(1,1-dimethylethyl)1-(2,5-dioxo-1-pyrrolidinyl) ester