InChI=1/C22H23BrN2O5S/c1-2-15-30-19-7-9-20(10-8-19)31(28,29)22(21(26)24-27)11-13-25(14-12-22)16-17-3-5-18(23)6-4-17/h1,3-10,27H,11-16H2,(H,24,26)/f/h24H 18DC918682CD7D4A