(19S)-3beta,19-Epoxy-2alpha,3beta,14beta-trihydroxy-19-methoxy-5alpha-card-20(22)-enolide (2alpha,3beta,8xi,9xi,19S)-2,14-dihydroxy-19-methoxy-3,19-epoxycard-20(22)-enolide InChI=1/C24H34O6/c1-22-7-5-16-17(24(22,27)8-6-15(22)13-9-20(26)29-12-13)4-3-14-10-19-18(25)11-23(14,16)21(28-2)30-19/h9,14-19,21,25,27H,3-8,10-12H2,1-2H3/t14?,15-,16?,17?,18-,19-,21+,22-,23-,24+/m1/s card-20(22)-enolide, 3,19-epoxy-2,14-dihydroxy-19-methoxy-, (2alpha,3beta,8xi,9xi)-