InChI=1/C20H26N4O/c1-15-20(18-5-2-3-6-19(18)22-15)16-7-11-23(12-8-16)13-17(25)14-24-10-4-9-21-24/h2-6,9-10,16-17,22,25H,7-8,11-14H2,1H3/p+1/t17-/m1/s1/fC20H27N4O/h23H/q+1 92CF7543D647301B