InChI=1/C19H18N4O4/c20-17(25)11-5-7-12(8-6-11)21-16(24)10-9-15-19(27)22-14-4-2-1-3-13(14)18(26)23-15/h1-8,15H,9-10H2,(H2,20,25)(H,21,24)(H,22,27)(H,23,26)/t15-/m0/s1/f/h21,23,27H,20H2	6B1A9ACC78AEB19F