InChI=1/C18H34N4O/c1-21-11-9-17(10-12-21)22-13-7-16(8-14-22)20-18(23)19-15-5-3-2-4-6-15/h15-17H,2-14H2,1H3,(H2,19,20,23)/p+1/fC18H35N4O/h19-20,22H/q+1 2C3B5E22553B6C12