InChI=1/C18H26N4O/c1-2-3-4-5-6-10-23-16-9-7-8-14(12-16)11-15-13-21-18(20)22-17(15)19/h7-9,12-13H,2-6,10-11H2,1H3,(H4,19,20,21,22)/f/h19-20H2 45FEB0E6072CF0A8