InChI=1/C19H19N3O4/c1-25-18(23)13-2-3-16-14(8-13)15-10-22(6-4-17(15)21-16)19(24)20-9-12-5-7-26-11-12/h2-3,5,7-8,11,21H,4,6,9-10H2,1H3,(H,20,24)/f/h20H 3A077898710B7E64