InChI=1/C20H26N4O2/c1-2-3-14-24-19(25)11-10-18(22-24)20(26)21-17-8-6-16(7-9-17)15-23-12-4-5-13-23/h6-11H,2-5,12-15H2,1H3,(H,21,26)/p+1/fC20H27N4O2/h21,23H/q+1 8FD7939313C7A9CA