InChI=1/C20H23N5O3/c1-23-9-11-24(12-10-23)19-14-17(7-8-21-19)15-22-20(26)6-5-16-3-2-4-18(13-16)25(27)28/h2-8,13-14H,9-12,15H2,1H3,(H,22,26)/p+1/b6-5+/fC20H24N5O3/h22-23H/q+1 35C3036E179D4953