InChI=1/C21H22N4O3/c1-16-5-7-17(8-6-16)20(26)24-19(14-18-4-2-13-28-18)21(27)23-9-3-11-25-12-10-22-15-25/h2,4-8,10,12-15H,3,9,11H2,1H3,(H,23,27)(H,24,26)/p+1/b19-14-/fC21H23N4O3/h22-24H/q+1 DED7DFFD4B3D6FE7