InChI=1/C18H17BrN2O5S/c1-11-3-5-14(13(19)9-11)20-17(22)7-8-27(24,25)12-4-6-15-16(10-12)26-18(23)21(15)2/h3-6,9-10H,7-8H2,1-2H3,(H,20,22)/f/h20H 346F3DDFCF2C8FA5