InChI=1S/C16H24O11/c1-5(12(20)21)6-3-4-16(2,7(6)13(22)23)27-15-10(19)8(17)9(18)11(26-15)14(24)25/h5-11,15,17-19H,3-4H2,1-2H3,(H,20,21)(H,22,23)(H,24,25)