InChI=1/C14H20Br2N2O2/c1-14(2,8-18(3)4)7-17-13(20)10-5-9(15)6-11(16)12(10)19/h5-6,19H,7-8H2,1-4H3,(H,17,20)/p+1/fC14H21Br2N2O2/h17-18H/q+1 684B6B30ECCE0D4C