InChI=1/C13H11Br2N2O2S/c14-10-4-5-12(15)13(7-10)20(18,19)17-11-3-1-2-9(6-11)8-16/h1-7H,8,16H2/q-1/p+1/fC13H12Br2N2O2S/h16H/q 716D0F540CE25B9D