InChI=1/C22H17NO4S/c24-21-19-14-8-7-13-18(19)20(28(26,27)17-11-5-2-6-12-17)22(25)23(21)15-16-9-3-1-4-10-16/h1-14,25H,15H2/p-1/fC22H16NO4S/h25h/q-1 2204F8D7E1479AFB