InChI=1/C18H15BrN2O2S/c1-12-11-16(21-23-12)20-18(22)17(13-7-3-2-4-8-13)24-15-10-6-5-9-14(15)19/h2-11,17H,1H3,(H,20,21,22)/t17-/m1/s1/f/h20H 6FA2C127D4EF215F