InChI=1/C16H26O10/c1-16(24,8-4-2-7(3-5-8)13(19)20)6-25-12-10(18)9(17)11(14(21)22)26-15(12)23/h7-12,15,17-18,23-24H,2-6H2,1H3,(H,19,20)(H,21,22)