InChI=1/C20H19N5O3/c1-26-16-9-14(10-17(27-2)18(16)28-3)23-20-22-11-13-6-8-25(19(13)24-20)15-5-4-7-21-12-15/h4-12H,1-3H3,(H,22,23,24)/f/h23H BD81D6093EB7FF77