InChI=1S/C18H12BrN3O2S/c19-8-4-18-5-11(25-10(18)3-9(8)23)22-16-13(18)14-12-7(1-2-20-14)6-21-15(12)17(16)24/h3-4,6,11,21-22H,1-2,5H2