英文别名(S)-1-tert-Butyl 5-(2,5-dioxopyrrolidin-1-yl) 2-(18-(tert-butoxy)-18-oxooctadecanamido)pentanedioate; (S)-2-(17-tert-Butoxycarbonylheptadecanoylamino)pentanedioic acid 1-tert-butyl ester 5-(2,5-dioxo-pyrrolidin-1-yl) ester; Semaglutide intermediate; SemaglutideImpurity8; N-[18-(1,1-Dimethylethoxy)-1,18-dioxooctadecyl]-L-glutamic acid 1-(1,1-dimethylethyl) 5-(2,5-dioxo-1-pyrrolidinyl) ester; L-Glutamic acid, N-[18-(1,1-dimethylethoxy)-1,18-dioxooctadecyl]-, 1-(1,1-dimethylethyl) 5-(2,5-dioxo-1-pyrrolidinyl) ester; Semaglutide sidechain NHS 
