Showing structure for (2r,3r,4s,5s,6r,11s)-8-[(2r)-butan-2-yl]-2-[(1r)-1-(6-ethyl-3,5-dimethyl-4-oxopyran-2-yl)ethyl]-3,5,9,11-tetramethyl-10-oxo-1,7-dioxaspiro[5.5]undec-8-en-4-yl 3-methylbutanoate