InChI=1S/C16H24O11/c1-4(6-3-7(17)5(2)8(6)13(21)22)15(25)27-16-11(20)9(18)10(19)12(26-16)14(23)24/h4-12,16-20H,3H2,1-2H3,(H,21,22)(H,23,24)