InChI=1/C21H23N5O3/c1-23(2)19-9-8-17(26(28)29)14-18(19)21(27)25-12-10-24(11-13-25)20(15-22)16-6-4-3-5-7-16/h3-9,14,20H,10-13H2,1-2H3/t20-/m0/s1 989D48A7EBA11DD8