InChI=1/C20H23N5O4/c1-2-15-6-7-16(11-17(15)25(28)29)23-20(27)19(26)22-13-14-5-8-18(21-12-14)24-9-3-4-10-24/h5-8,11-12H,2-4,9-10,13H2,1H3,(H,22,26)(H,23,27)/p+1/fC20H24N5O4/h21-23H/q+1 F3798ECEA3BB2387