InChI=1/C18H28N4O2/c1-21(2)12-13-22(11-10-15-6-4-3-5-7-15)18(24)19-14-17(23)20-16-8-9-16/h3-7,16H,8-14H2,1-2H3,(H,19,24)(H,20,23)/p+1/fC18H29N4O2/h19-21H/q+1 9D93696AF87F8D99