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