InChI=1S/C15H18O11/c1-23-10-5(13(19)20)3-4-6(11(10)24-2)25-15-9(18)7(16)8(17)12(26-15)14(21)22/h3-4,7-9,12,15-18H,1-2H3,(H,19,20)(H,21,22)