InChI=1/C20H18N4O4/c25-18-15-5-2-1-4-14(15)17(23-24-18)20(27)22-13-9-7-12(8-10-13)21-19(26)16-6-3-11-28-16/h1-2,4-5,7-10,16H,3,6,11H2,(H,21,26)(H,22,27)(H,24,25)/t16-/m1/s1/f/h21-22,24H	C246471D6D9D52BB