InChI=1S/C15H17BrN4O5S/c1-2-7-19-26(23,24)20-14-13(10-3-5-11(16)6-4-10)15(18-9-17-14)25-8-12(21)22/h3-6,9,19H,2,7-8H2,1H3,(H,21,22)(H,17,18,20)