(4R)-4-(tert-butyldimethylsilyloxy)-1-tosylpyrrolidin-2-ol
(1S,5R,7R)-5-(tert-butyldimethylsilyloxy)-3-tosyl-8-oxa-3-azabicyclo[5.1.0]octane
(1R,5R,7S)-5-(tert-butyldimethylsilyloxy)-3-tosyl-8-oxa-3-azabicyclo[5.1.0]octane
(R)-4-(tert-butyldimethylsilyloxy)-1-tosylpyrrolidin-2-one
tert-butyl 4-(4-{[(4R)-4-{[tert-butyl(dimethyl)silyl]oxy}-2-oxopyrrolidine-1-yl]methyl}benzylidene)piperidine-1-carboxylate