InChI=1/C22H20N2O4S/c1-13-23-21(28-16-8-6-15(25-2)7-9-16)20-17(12-29-22(20)24-13)14-5-10-18(26-3)19(11-14)27-4/h5-12H,1-4H3 34C9159BACA4A1DC