InChI=1/C18H18N4O2S/c23-16(12-6-7-12)19-15-10-8-13(9-11-15)17(24)21-22-18(25)20-14-4-2-1-3-5-14/h1-5,8-12H,6-7H2,(H,19,23)(H,21,24)(H2,20,22,25)/f/h19-22H 5D2B71544DC14565