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