InChI=1/C14H22N6O2/c1-9(2)8-20-10-11(19(5)14(22)17-12(10)21)16-13(20)15-6-7-18(3)4/h1,6-8H2,2-5H3,(H,15,16)(H,17,21,22)/p+1/fC14H23N6O2/h15,17-18H/q+1 2171476B8858476B