InChI=1/C21H19NO4S/c1-12(2)15-5-3-4-6-18(15)27-19-16(23)11-17(26-21(19)25)13-7-9-14(10-8-13)20(22)24/h3-12,23H,1-2H3,(H2,22,24)/p-1/fC21H18NO4S/h23h,22H2/q-1 61C65AE40A9840D2