InChI=1/C13H15Br3N2O3/c1-18(4-3-12(20)21-2)7-11(19)17-13-9(15)5-8(14)6-10(13)16/h5-6H,3-4,7H2,1-2H3,(H,17,19)/p+1/fC13H16Br3N2O3/h17-18H/q+1 EBCF760348302AD0