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