(2S)-2-(tert-butyldiphenylsilanyloxy)propionic acid 2-[(4S)-2,2,4-trimethyl-1,3-dioxolan-4-yl]ethyl ester

(2S)-2-(tert-butyldiphenylsilanyloxy)propionic acid (3S)-3-hydroxy-4-methanesulfonyloxy-3-methylbutyl ester

tert-butyl-{(1S)-1-[(1S,5R)-5-methyl-2,7,8-trioxabicyclo[3.2.1]oct-1-yl}diphenylsilane