(2S,3S,5S)-2,7-Bis-(tert-butyl-dimethyl-silanyloxy)-3-(4-methoxy-benzyloxy)-5-methyl-heptanal

(4S,5R)-4-((S)-4-Hydroxy-2-methyl-butyl)-2-(4-methoxy-phenyl)-[1,3]dioxan-5-ol