InChI=1S/C21H20O14S/c22-6-11-14(25)21(35-36(30,31)32)18(29)20(34-11)13-16(27)17(28)15(26)12-9(24)5-10(33-19(12)13)7-2-1-3-8(23)4-7/h1-5,11,14,18,20-23,25-29H,6H2,(H,30,31,32)