InChI=1/C14H19N5O/c1-10(2)11(3)17-14(20)18-12-4-6-13(7-5-12)19-9-15-8-16-19/h4-11H,1-3H3,(H2,17,18,20)/t11-/m0/s1/f/h17-18H 8B818FCF33A939D6