InChI=1S/C21H20O14S/c22-6-11-14(24)17(27)19(29)21(34-11)13-16(26)18(28)15(25)12-9(23)5-10(33-20(12)13)7-2-1-3-8(4-7)35-36(30,31)32/h1-5,11,14,17,19,21-22,24-29H,6H2,(H,30,31,32)