InChI=1/C18H20Br2N2O/c1-12-6-4-5-7-14(12)11-22(3)13(2)18(23)21-17-9-8-15(19)10-16(17)20/h4-10,13H,11H2,1-3H3,(H,21,23)/p+1/t13-/m1/s1/fC18H21Br2N2O/h21-22H/q+1 EDFD627EC628EF85