InChI=1/C16H23N5/c1-10-4-7-15(12(3)8-10)21-16(18-19-20-21)13-6-5-11(2)14(17)9-13/h5-6,9-10,12,15H,4,7-8,17H2,1-3H3/t10-,12-,15-/m0/s1 9914F0E9041D5EAC