82345-35-5 Carda-4,20(22)-dienolide, 7,8-epoxy-11,14-dihydroxy-12-oxo-2,3-(((2S,3S,4R,6R)-tetrahydro-3-hydroxy-4-methoxy-6-methyl-2H-pyran-3,2-diyl)bis(oxy))-, (2alpha,3beta,7beta,11alpha)-