InChI=1/C19H19BrN2O3/c20-16-8-6-14(7-9-16)17(23)13-25-19(24)15-4-3-11-22(12-15)18-5-1-2-10-21-18/h1-2,5-10,15H,3-4,11-13H2/p+1/t15-/m0/s1/fC19H20BrN2O3/h21H/q+1 FEAF61F637E8A186