InChI=1/C18H20BrN3O4/c19-14-6-13(7-16-17(14)26-10-25-16)24-9-11-3-4-15(21-11)18(23)22-5-1-2-12(22)8-20/h6-7,11-12,15,21H,1-5,9-10H2/p+1/t11-,12+,15+/m1/s1/fC18H21BrN3O4/h21H/q+1 CFD45241D8E229EE