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