InChI=1/C18H32N4O2/c23-17-15(7-13-21-9-3-1-4-10-21)19-18(24)16(20-17)8-14-22-11-5-2-6-12-22/h15-16H,1-14H2,(H,19,24)(H,20,23)/p+2/t15-,16+/fC18H34N4O2/h19-22H/q+2 CD4100184E9BCD21