InChI=1S/C18H22O11/c19-12(20)6-9(3-1-8-2-4-10-11(5-8)27-7-26-10)28-18-15(23)13(21)14(22)16(29-18)17(24)25/h2,4-5,9,13-16,18,21-23H,1,3,6-7H2,(H,19,20)(H,24,25)