InChI=1S/C27H42O7/c1-6-32-20-12-18-22-17(15(2)3)7-8-26(22,4)9-10-27(18,5)21(11-16(20)13-28)34-25-24(31)23(30)19(29)14-33-25/h11,13,15,18-21,23-25,29-31H,6-10,12,14H2,1-5H3