105535-72-6

1,3-Dioxolane-4-carboxylic acid, 2,2-dimethyl-,3-ethenyldodecahydro-5,10,10b-trihydroxy-3,4a,7,7,10a-pentamethyl-1-oxo-1H-naphtho[2,1-b]pyran-6-yl ester