InChI=1S/C19H22N4O3/c1-4-26-19-17(18(22)11(2)10-23-19)14(8-16(21)24)13-6-5-12(9-20)7-15(13)25-3/h5-7,10,14H,4,8H2,1-3H3,(H2,21,24)(H2,22,23)/t14-/m0/s1