InChI=1/C16H15BrN4O2S/c1-24(22,23)21-14-7-5-13(6-8-14)18-16-10-15(19-20-16)11-3-2-4-12(17)9-11/h2-10,21H,1H3,(H2,18,19,20)/f/h18-19H AF2FDCC95750743F