InChI=1/C22H18O5S/c1-22(24)20(15-9-11-18(12-10-15)28(2,25)26)19(21(23)27-22)17-8-7-14-5-3-4-6-16(14)13-17/h3-13,24H,1-2H3/t22-/m1/s1 B089952EA83A9011