InChI=1/C20H22N4O5/c1-23-16(26)13-6-5-12(11-14(13)17(23)27)15(25)21-9-4-10-24-18(28)20(22-19(24)29)7-2-3-8-20/h5-6,11H,2-4,7-10H2,1H3,(H,21,25)(H,22,29)/f/h21-22H 12DF9119A6452650