5-O-tert-butyldimethylsilyl-2,3-O-isopropylidene-N-diphenylmethyl-1,4,6,7,8-pentadeoxy-1,4-imino-D-gulo-oct-7-enitol

2,3-O-isopropylidene-N-diphenylmethyl-1,4,6,7,8-pentadeoxy-1,4-imino-D-gulo-oct-7-enitol

5-O-tert-butyldimethylsilyl-2,3-O-isopropylidene-N-diphenylmethyl-1,4,6,7-tetradeoxy-1,4-imino-D-gulo-octitol

Methanesulfonic acid (S)-4-((3aS,4S,6aR)-5-benzhydryl-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyrrol-4-yl)-4-(tert-butyl-dimethyl-silanyloxy)-butyl ester

(S)-1-[(3aS,4R,6aR)-2,2-Dimethyl-5-(9-phenyl-9H-fluoren-9-yl)-tetrahydro-[1,3]dioxolo[4,5-c]pyrrol-4-yl]-3-[1,3]dioxolan-2-yl-propan-1-ol