InChI=1/C21H30N4O2/c22-20(26)19-10-5-13-25(19)15-17-8-4-9-18(14-17)24-21(27)23-12-11-16-6-2-1-3-7-16/h4,6,8-9,14,19H,1-3,5,7,10-13,15H2,(H2,22,26)(H2,23,24,27)/p+1/t19-/m0/s1/fC21H31N4O2/h23-25H,22H2/q+1 E977B2CD17CC6E2A