InChI=1/C18H17BrN2O2S/c1-4-23-18(22)16-10(2)11(3)24-17(16)21-9-12-8-20-15-6-5-13(19)7-14(12)15/h5-9,21H,4H2,1-3H3/b12-9+ 899EC07C76FE0CCB