InChI=1/C14H13BrN4O3S/c15-10-1-6-13(20)9(7-10)8-18-11-2-4-12(5-3-11)23(21,22)19-14(16)17/h1-8,20H,(H4,16,17,19)/f/h16-17H2 D72BACC3B1BF4B25