4-[(2S,3S,4R)-1-benzyl-3,4-bis(benzyloxy)pyrrolidin-2-yl]butan-1-ol

(1S,2R,8aS)-1,2-bis(benzyloxy)octahydroindolizine

(2R,3S,4S)-4-(benzylamino)-2,3-bis(benzyloxy)-8-(tert-butyldimethylsilyloxy)octan-1-ol