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