InChI=1S/C23H30O7/c1-11-5-14(25)7-15(26)17(11)20(28)30-16-9-22(4)18-12(8-21(2,3)19(18)27)6-13(10-24)23(16,22)29/h5-7,12,16,18-19,24-27,29H,8-10H2,1-4H3