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