InChI=1/C20H23N5O4/c21-5-6-22-7-8-23-11-1-2-12-16-15(11)20(29)18-14(28)4-3-13(27)17(18)19(16)24-25(12)9-10-26/h1-4,22-24,26,29H,5-10,21H2/p+1/fC20H24N5O4/h22H/q+1 82DC38A6E7D28552