InChI=1/C20H23N5O3/c1-13-14(2)28-20(23-13)16-6-4-7-17(12-16)24-19(27)18(26)22-8-5-10-25-11-9-21-15(25)3/h4,6-7,9,11-12H,5,8,10H2,1-3H3,(H,22,26)(H,24,27)/p+1/fC20H24N5O3/h21-22,24H/q+1 D1E98842A4F894F5