InChI=1/C22H17NO4S/c24-21(17-11-5-2-6-12-17)20-22(25)18-13-7-8-14-19(18)28(26,27)23(20)15-16-9-3-1-4-10-16/h1-14,25H,15H2/p-1/fC22H16NO4S/h25h/q-1 1D5E5ACE371C32C1