InChI=1/C14H20N4O/c1-4-18(5-2)9(3)14-16-11-8-6-7-10(13(15)19)12(11)17-14/h6-9H,4-5H2,1-3H3,(H2,15,19)(H,16,17)/t9-/m0/s1/f/h16H,15H2 C4000D43CB06ECCC