InChI=1/C28H28O3/c1-3-20(17-19-11-7-5-8-12-19)22-15-16-24-25(18-22)31-28(30)26(27(24)29)23(4-2)21-13-9-6-10-14-21/h5-16,18,20,23,29H,3-4,17H2,1-2H3/p-1/t20-,23+/m1/s1/fC28H27O3/h29h/q-1 A800097135190B49