InChI=1/C21H27BrN2O4S2/c1-16(2)14-24(30(27,28)19-10-8-18(22)9-11-19)20(21(25)23-26)12-13-29-15-17-6-4-3-5-7-17/h3-11,16,20,26H,12-15H2,1-2H3,(H,23,25)/t20-/m0/s1/f/h23H 2EAE77F8D0A86E10