InChI=1/C15H20N4/c1-2-6-19-15(3-1)13(10-17-19)9-16-14-11-18-7-4-12(14)5-8-18/h1-3,6,10,12,14,16H,4-5,7-9,11H2/p+1/t14-/m0/s1/fC15H21N4/h18H/q+1 86FF5343239EFD6C