InChI=1S/C18H20O10/c1-4-5(2)14(9-8(10(4)20)6(19)3-7-15(9)26-7)27-18-13(23)11(21)12(22)16(28-18)17(24)25/h7,11-13,15-16,18,20-23H,3H2,1-2H3,(H,24,25)