InChI=1/C20H19N3O3/c1-3-19-23-16-12-15(9-10-18(16)26-19)22-20(25)17(21-13(2)24)11-14-7-5-4-6-8-14/h4-12H,3H2,1-2H3,(H,21,24)(H,22,25)/b17-11-/f/h21-22H 5981A33583E13A40