InChI=1/C20H22N4O5/c1-3-29-15-8-6-13(7-9-15)23-17(25)11-22-19(27)20(28)24-14-5-4-12(2)16(10-14)18(21)26/h4-10H,3,11H2,1-2H3,(H2,21,26)(H,22,27)(H,23,25)(H,24,28)/f/h22-24H,21H2 DA9887DAD94551B8