InChI=1/C15H15N3O2/c1-9(19)13-14(11-5-4-6-18(3)8-11)12(7-16)10(2)20-15(13)17/h4-6,8,14H,1-3H3,(H-,17,19)/p+1/t14-/m0/s1/fC15H16N3O2/h17H2/q+1 CB4FF38C98E9111B