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