InChI=1/C22H13NO6S/c24-19-11-5-1-3-7-13(11)28-21(26)17(19)16(15-9-23-10-30-15)18-20(25)12-6-2-4-8-14(12)29-22(18)27/h1-10,16,26-27H/p-2/fC22H11NO6S/h26-27h/q-2 47ED90849A1CCD39