InChI=1/C13H20N4/c1-6-7(2)17-9(4)8(3)11-12(14)15-10(5)16-13(11)17/h7H,6H2,1-5H3,(H2,14,15,16)/t7-/m1/s1/f/h14H2 608675DD45C8A1AE