InChI=1/C18H16N4O4S/c1-10(23)19-15-16(25)21-18(22-17(15)26)27-9-14(24)20-13-8-4-6-11-5-2-3-7-12(11)13/h2-8H,9H2,1H3,(H,19,23)(H,20,24)(H2,21,22,25,26)/p-1/fC18H15N4O4S/h19-21H/q-1 1FFA3EA680B27767