InChI=1S/C18H22O11/c19-12(20)4-2-9(5-8-1-3-10-11(6-8)27-7-26-10)28-18-15(23)13(21)14(22)16(29-18)17(24)25/h1,3,6,9,13-16,18,21-23H,2,4-5,7H2,(H,19,20)(H,24,25)