InChI=1/C14H21N5O/c1-3-16-14(20)9-19(4-2)8-13-17-11-6-5-10(15)7-12(11)18-13/h5-7H,3-4,8-9,15H2,1-2H3,(H,16,20)(H,17,18)/f/h16,18H FFA90B0F8102AA6C