InChI=1/C20H28N4O2/c25-19(15-8-9-15)21-16-4-3-5-17(14-16)22-20(26)24-12-10-23(11-13-24)18-6-1-2-7-18/h3-5,14-15,18H,1-2,6-13H2,(H,21,25)(H,22,26)/p+1/fC20H29N4O2/h21-23H/q+1 5A0F23A66F5B3C36