InChI=1/C20H18N4O4S/c1-23-16-9-15(22-17(16)18(25)24(2)20(23)27)13-5-3-12(4-6-13)10-28-19(26)21-14-7-8-29-11-14/h3-9,11,22H,10H2,1-2H3,(H,21,26)/f/h21H 7E4203E86FA50555