InChI=1/C21H28N4O2/c1-17(26)24-20-11-6-10-19(14-20)15-23-21(27)22-12-7-13-25(2)16-18-8-4-3-5-9-18/h3-6,8-11,14H,7,12-13,15-16H2,1-2H3,(H,24,26)(H2,22,23,27)/p+1/fC21H29N4O2/h22-25H/q+1 5A0AF1F97351C3FC