InChI=1S/C21H20O13S/c22-3-5-30-13-10-14(24)18-17(11-13)34-21(20(26)19(18)25)12-1-2-15(31-6-4-23)16(9-12)32-7-8-33-35(27,28)29/h1-3,9-11,23-24,26H,4-8H2,(H,27,28,29)