InChI=1/C14H12N4O3S2/c15-14(16)17-23(20,21)10-7-5-9(6-8-10)18-13(19)11-3-1-2-4-12(11)22-18/h1-8H,(H4,15,16,17)/f/h15-16H2 934972DB30690858