InChI=1/C20H22N4O5/c1-12-10-17(25)29-16-11-14(4-5-15(12)16)22-20(28)24-8-6-23(7-9-24)19(27)18(26)21-13-2-3-13/h4-5,10-11,13H,2-3,6-9H2,1H3,(H,21,26)(H,22,28)/f/h21-22H 151686E115E3882B