InChI=1S/C22H22O15S/c1-33-12-3-2-8(4-14(12)37-38(30,31)32)13-6-10(25)16-9(24)5-11(26)20(21(16)34-13)36-22-19(29)18(28)17(27)15(7-23)35-22/h2-6,15,17-19,22-24,26-29H,7H2,1H3,(H,30,31,32)/p-1/t15-,17+,18-,19+,22-/m0/s1