InChI=1/C16H23N5/c1-13-12-15(20-16(17)19-13)18-10-6-7-11-21(2)14-8-4-3-5-9-14/h3-5,8-9,12H,6-7,10-11H2,1-2H3,(H3,17,18,19,20)/f/h18H,17H2 D3B3C0108152F7F3