InChI=1/C21H27BrN2O5S/c1-4-24(5-2)15-29-18-10-6-16(7-11-18)14-21(3,20(25)23-26)30(27,28)19-12-8-17(22)9-13-19/h6-13,26H,4-5,14-15H2,1-3H3,(H,23,25)/t21-/m0/s1/f/h23H F1064F194729C7DB