InChI=1/C14H15BrN2O3S/c15-11-6-7-12(16)14(8-11)21(19,20)17-13(9-18)10-4-2-1-3-5-10/h1-8,13,17-18H,9,16H2/t13-/m0/s1 8981ED5152915BEF