InChI=1/C20H22N4O3/c1-24(2)13-7-5-12(6-8-13)23-19-14-9-17(26-3)18(27-4)10-16(14)22-11-15(19)20(21)25/h5-11H,1-4H3,(H2,21,25)(H,22,23)/f/h23H,21H2 69906DE618C319F2