(R)-5-(tert-Butyl-dimethyl-silanyloxy)-3-hydroxy-pentanoic acid ethyl ester

((2R,4S,6R)-2-Phenyl-6-triisopropylsilanyloxymethyl-[1,3]dioxan-4-yl)-acetaldehyde

(R)-6-(tert-Butyl-dimethyl-silanyloxy)-4-(4-methoxy-benzyloxy)-hexan-2-one

(2S,4S,6R,8S,10S)-10-(tert-Butyl-dimethyl-silanyloxy)-8-(2-hydroxy-ethyl)-4-methyl-2-(2-triethylsilanyloxy-ethyl)-1,7-dioxa-spiro[5.5]undecan-4-ol

1-[(2S,4S,6R,8R,10S)-10-(tert-butyldimethylsilanyloxy)-4-methoxy-8-triisopropylsilanyloxymethyl-1,7-dioxaspiro[5.5]undec-2-yl]-butan-2-one