InChI=1/C20H28N4O2/c25-19(24-11-3-4-12-24)17-5-1-2-6-18(17)22-20(26)21-15-9-13-23(14-10-15)16-7-8-16/h1-2,5-6,15-16H,3-4,7-14H2,(H2,21,22,26)/p+1/fC20H29N4O2/h21-23H/q+1 41C8B372551E02C8