InChI=1/C21H34N4O2/c1-5-7-12-25(4)13-8-11-22-20(26)16-9-10-17-18(14-16)24-21(27)19(23-17)15(3)6-2/h9-10,14-15,19,23H,5-8,11-13H2,1-4H3,(H,22,26)(H,24,27)/p+1/t15-,19+/m0/s1/fC21H35N4O2/h22,24-25H/q+1 E5FF1FFB37F18C6A