InChI=1/C19H17N3O4/c1-22(10-12-8-18(23)21-15-5-3-2-4-14(12)15)19(24)20-13-6-7-16-17(9-13)26-11-25-16/h2-9H,10-11H2,1H3,(H,20,24)(H,21,23)/f/h20-21H BCFBF1B65E7E028C