InChI=1S/C20H18O15S/c21-6-1-5-9(2-7(6)22)33-10-3-8(23)13(16(27)14(10)15(5)26)20-18(29)17(28)19(35-36(30,31)32)11(34-20)4-12(24)25/h1-3,11,17-23,27-29H,4H2,(H,24,25)(H,30,31,32)