InChI=1S/C22H22O14S/c1-33-20-14(21-22(36-37(30,31)32)17(28)15(26)12(7-23)35-21)19-13(16(27)18(20)29)10(25)6-11(34-19)8-2-4-9(24)5-3-8/h2-6,12,15,17,21-24,26-29H,7H2,1H3,(H,30,31,32)