InChI=1S/C23H32O7/c1-11-5-12(17(26)6-16(11)25)20(28)30-18-9-22(4)14-8-21(2,3)7-13(14)19(27)15(10-24)23(18,22)29/h5-6,13-15,18-19,24-27,29H,7-10H2,1-4H3