InChI=1/C15H12N4O2S2/c16-11-8-6-7-9(2-1-3-10(7)20)18-14(8)23-12(11)13(21)19-15-17-4-5-22-15/h4-6H,1-3,16H2,(H,17,19,21)/f/h19H 7FF04AE1971AEECD