InChI=1/C13H18BrNO4S/c1-2-3-4-12(9-13(16)15-17)20(18,19)11-7-5-10(14)6-8-11/h5-8,12,17H,2-4,9H2,1H3,(H,15,16)/t12-/m1/s1/f/h15H 7E8BEA4F6F4B4884