InChI=1S/C20H22O11S/c1-20(2,26)8-16(31-32(27,28)29)18-13(24)7-15-17(19(18)25)12(23)6-14(30-15)10-4-3-9(21)5-11(10)22/h3-5,7,14,16,21-22,24-26H,6,8H2,1-2H3,(H,27,28,29)