InChI=1S/C21H22O14S/c22-8-14-16(24)17(25)18(26)20(33-14)32-11-5-12(23)15-13(6-11)34-21(28,19(15)27)7-9-1-3-10(4-2-9)35-36(29,30)31/h1-6,14,16-18,20,22-26,28H,7-8H2,(H,29,30,31)