InChI=1/C19H18N4O4/c1-11-3-7-14(8-4-11)21-18(24)16-12(2)20-19(25)22-17(16)13-5-9-15(10-6-13)23(26)27/h3-10,17H,1-2H3,(H,21,24)(H2,20,22,25)/t17-/m0/s1/f/h20-22H	9D290C078E82A984