InChI=1/C15H16N3O2/c1-9(19)13-10(2)20-15(17)12(7-16)14(13)11-5-4-6-18(3)8-11/h4-6,8,14H,17H2,1-3H3/q+1/t14-/m1/s1 11EC5BF8D88CFDE9