InChI=1/C20H24N4O/c1-20(2)12-17-16(18(25)13-20)14-21-19(22-17)24-10-8-23(9-11-24)15-6-4-3-5-7-15/h3-7,14H,8-13H2,1-2H3 B7FB5882371CD320