Boc-L-threonine N-hydroxysucciniMide

N-[[(2R,3S)-2-(tert-Butoxycarbonylamino)-3-hydroxybutanoyl]oxy]succinimide

N-[(1,1-Dimethylethoxy)carbonyl]-L-threonine 2,5-dioxo-1-pyrrolidinyl ester

tert-butyl [R-(R*,S*)]-[1-[[(2,5-dioxopyrrolidin-1-yl)oxy]carbonyl]-2-hydroxypropyl]carbamate

N-[(1S,2R)-1-[[(2,5-Dioxo-1-pyrrolidinyl)oxy]carbonyl]-2-hydroxypropyl]carbamic acid 1,1-dimethylethyl ester