InChI=1/C20H28N4O3/c21-20(27)16-6-3-10-23(14-16)13-15-5-1-2-7-17(15)22-18(25)9-12-24-11-4-8-19(24)26/h1-2,5,7,16H,3-4,6,8-14H2,(H2,21,27)(H,22,25)/p+1/t16-/m1/s1/fC20H29N4O3/h22-23H,21H2/q+1 D4F5212C9B5F52B8