InChI=1/C21H24N8O2/c1-3-29(4-2)21-25-17(13-5-9-15(10-6-13)19(30)27-22)24-18(26-21)14-7-11-16(12-8-14)20(31)28-23/h5-12H,3-4,22-23H2,1-2H3,(H,27,30)(H,28,31)/f/h27-28H 159F73606A1AE6B7