InChI=1/C19H19N3O4/c1-12-20-15-11-14(4-5-16(15)26-12)21-18(23)13-6-8-22(9-7-13)19(24)17-3-2-10-25-17/h2-5,10-11,13H,6-9H2,1H3,(H,21,23)/f/h21H BCFAD4796DA06977