InChI=1/C16H22N4O/c1-2-3-4-8-21-14-7-5-6-12(10-14)9-13-11-19-16(18)20-15(13)17/h5-7,10-11H,2-4,8-9H2,1H3,(H4,17,18,19,20)/f/h17-18H2 A854D96652F319DA