InChI=1/C19H16N4O3S/c1-11-21-19(26-23-11)14-5-3-13(4-6-14)18(24)20-9-15-7-8-17(25-15)16-10-27-12(2)22-16/h3-8,10H,9H2,1-2H3,(H,20,24)/f/h20H 850F1790B64E1104