InChI=1/C16H17BrN4O4S/c1-24-14-8-15(25-2)13(17)7-10(14)9-20-11-3-5-12(6-4-11)26(22,23)21-16(18)19/h3-9H,1-2H3,(H4,18,19,21)/f/h18-19H2 E3E1333A0EB31296