InChI=1/C19H22N4O4/c1-10-5-12(3)18(13(4)6-10)22-16(24)9-21-19(25)14-7-11(2)8-15(17(14)20)23(26)27/h5-8H,9,20H2,1-4H3,(H,21,25)(H,22,24)/f/h21-22H 34E8AAF68FF3FF3C