Carbonic acid 4-((R)-2-benzenesulfonylamino-3-hydroxy-propyl)-phenyl ester benzyl ester

(R)-benzyl 2-[(4-{[(3-{4-[(benzyloxycarbonyl)oxy]phenyl}-2-[(phenylsulfonyl)amino]propyl)oxy]carbonyl}-2,6-bis(benzyloxy)phenyl)carbonyl]-3-(benzyloxy)benzoate