InChI=1/C18H17BrN2O5S/c19-12-5-7-14(8-6-12)27(22,23)18-17(20-11-13-3-1-9-24-13)26-16(21-18)15-4-2-10-25-15/h2,4-8,10,13,20H,1,3,9,11H2/t13-/m0/s1 B25A84835E465263