InChI=1/C13H18N4O/c1-3-4-12-16-10-7-9(14)5-6-11(10)17(12)8(2)13(15)18/h5-8H,3-4,14H2,1-2H3,(H2,15,18)/t8-/m0/s1/f/h15H2 1827FBD14E102C1B