2-((9-phenylfluoren-9-yl)amino)-2-deoxy-3,4:5,6-di-O-isopropylidene-D-mannose

2-(1',2'-O-isopropylidene-1',2'-dihydroxy-3',4'-diacetoxybutyl)-3-hydroxy-N-(9-phenylfluoren-9-yl)pyrrolidine