Showing structure for (2r,3r,5r,6r,8s,9s,10r,11r)-8-[(1s)-1-(6-ethyl-3,5-dimethyl-4-oxopyran-2-yl)ethyl]-8,10-dihydroxy-3,5,9,11-tetramethyl-2-[(2r)-3-oxopentan-2-yl]-1,7-dioxaspiro[5.5]undecan-4-one