InChI=1S/C16H26O11/c1-7(2)3-9(18)27-14-12(21)11(20)10(19)8(26-14)4-24-15-13(22)16(23,5-17)6-25-15/h3,8,10-15,17,19-23H,4-6H2,1-2H3