InChI=1/C21H34N4O3/c26-18(17-5-9-21(10-6-17)19(27)22-20(28)23-21)25-13-7-16(8-14-25)15-24-11-3-1-2-4-12-24/h16-17H,1-15H2,(H2,22,23,27,28)/p+1/fC21H35N4O3/h22-24H/q+1 959C839837286C7E