InChI=1/C19H18N4O2S/c1-12(17(24)23-18(20)25)26-19-21-15(13-8-4-2-5-9-13)16(22-19)14-10-6-3-7-11-14/h2-12H,1H3,(H,21,22)(H3,20,23,24,25)/t12-/m1/s1/f/h21,23H,20H2 4E4A698F8F640411