InChI=1/C21H34N4O2/c1-14(2)19(25-11-9-15(3)10-12-25)13-22-21(27)24-18-6-4-5-17-16(18)7-8-20(26)23-17/h7-8,14-15,18-19H,4-6,9-13H2,1-3H3,(H,23,26)(H2,22,24,27)/p+1/t18-,19+/m0/s1/fC21H35N4O2/h22-25H/q+1 CD647F74A4C6D10A