InChI=1/C21H20N4O2S/c1-12-16-17(13-8-10-15(28-2)11-9-13)18(19(22)26)20(23)27-21(16)25(24-12)14-6-4-3-5-7-14/h3-11,17H,23H2,1-2H3,(H2,22,26)/t17-/m1/s1/f/h22H2 320F0F5A7B8588D3