InChI=1S/C18H22O10/c1-8(19)12(7-10-3-5-11(6-4-10)26-9(2)20)27-18-15(23)13(21)14(22)16(28-18)17(24)25/h3-6,12-16,18,21-23H,7H2,1-2H3,(H,24,25)