InChI=1/C19H18BrN3O4/c1-3-21-19(26)18-16(10-4-6-11(27-2)7-5-10)17(22-23-18)12-8-13(20)15(25)9-14(12)24/h4-9,24-25H,3H2,1-2H3,(H,21,26)(H,22,23)/f/h21-22H DAD443967C311138