InChI=1S/C16H28O10/c1-8(4-3-5-16(2,24)9(18)6-17)7-25-15-12(21)10(19)11(20)13(26-15)14(22)23/h4,9-13,15,17-21,24H,3,5-7H2,1-2H3,(H,22,23)/b8-4+