InChI=1/C21H34N4O2/c1-3-4-7-19(24-21(22)27)20(26)23-13-17-8-10-18(11-9-17)15-25-12-5-6-16(2)14-25/h8-11,16,19H,3-7,12-15H2,1-2H3,(H,23,26)(H3,22,24,27)/p+1/t16-,19+/m0/s1/fC21H35N4O2/h23-25H,22H2/q+1 4F500858F6E8CF58