Boc-Thr-ONSu, Boc-Thr-OSu, N-tert-butoxycarbonyl-L-threonine N-hydroxysuccinimide ester, EINECS 263-843-5, 2,5-dioxopyrrolidin-1-yl N(tert-butoxycarbonyl)-L-threoninate, (L)-N-hydroxysuccinimido-N-(tert-butoxycarbonyl)threonate, boc-thr-qsu, 2,5-dioxopyrrolidin-1-yl n-(tert-butoxycarbonyl)threoninate, Tert-Butyl [R-(R*,S*)]-[1-[[(2,5-Dioxopyrrolidin-1-Yl)Oxy]Carbonyl]-2-Hydroxypropyl]Carbamate, N-(BOC)-L-threonine N-hydroxysuccinimide ester