InChI=1S/C14H20O11/c15-6(4-2-1-3-5-10(23-5)12(19)20)24-14-9(18)7(16)8(17)11(25-14)13(21)22/h5,7-11,14,16-18H,1-4H2,(H,19,20)(H,21,22)