1-[(2R,3R)-2,4-Bis-(tert-butyl-dimethyl-silanyloxy)-3-methyl-butoxymethyl]-4-methoxy-benzene

ethyl 3-((2R,3S,6S,8S)-8-[(S)-4-hydroxy-3-methylbutyl]-3-methyl-1,7-dioxaspiro[5.5]undecan-2-yl)propanoate