InChI=1/C18H14BrN5O3S/c1-18(10-4-2-5-11(19)8-10)16(26)24(17(27)21-18)9-14(25)20-12-6-3-7-13-15(12)23-28-22-13/h2-8H,9H2,1H3,(H,20,25)(H,21,27)/t18-/m1/s1/f/h20-21H A4DE550B99891BAA