InChI=1/C14H12N4O2S2/c15-11(19)7-16-12(20)9-6-10-13(21-9)18-14(22-10)17-8-4-2-1-3-5-8/h1-6H,7H2,(H2,15,19)(H,16,20)(H,17,18)/f/h16-17H,15H2 DA020B46A225E201