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