(S)-(+)-5-Azidomethyl-2-oxotetrahydrofuran

(S)-(+)-二氢-5-(对甲苯基磺酰氧基甲基)-2(3H)-呋喃酮

(S)-4,5-异亚丙基-1-戊胺

(S)-N-<(benzyloxy)carbonyl>-5-amino-1,2-pentanediol

(S)-N-((benzyloxy)carbonyl)-1,2-O-isopropylidene-5-amino-1,2-pentanediol