2,2-Dimethyl-propionic acid (E)-(3S,4S,5R)-3-hydroxy-5-methoxy-8-(4-methoxy-benzyloxy)-4,6-dimethyl-oct-6-enyl ester

2,2-Dimethyl-propionic acid (E)-(3S,4R,5R)-3-(tert-butyl-dimethyl-silanyloxy)-5-methoxy-8-(4-methoxy-benzyloxy)-4,6-dimethyl-oct-6-enyl ester