InChI=1/C20H28N4O2/c21-19(25)16-9-10-18(24-11-5-2-6-12-24)17(13-16)23-20(26)22-14-15-7-3-1-4-8-15/h1,3,9-10,13,15H,2,4-8,11-12,14H2,(H2,21,25)(H2,22,23,26)/t15-/m1/s1/f/h22-23H,21H2	520AB6018738036F