4-叔丁氧羰基-2(S)-哌嗪叔丁酰胺

dihydro-5(S)-[[4-[(1,1-dimethylethoxy)carbonyl]-2(S)-(N-tert-butylcarbamoyl)piperazinyl]methyl]-3(R)-(phenylmethyl)-3(2H)-furanone

(2R,4S)-2-benzyl-5-((S)-4-(tert-butoxycarbonyl)-2-(tert-butylcarbamoyl)piperazin-1-yl)-4-hydroxypentanoic acid

(5S)-(5-tert-butyldimethylsilyloxymethyl)furan-2(5H)-one

(S)-5-羟甲基二氢呋喃-2-酮