InChI=1/C20H23BrN2O4S2/c21-15-9-7-14(8-10-15)13-16-19(27)23(20(28)29-16)12-4-5-17(24)22-11-3-1-2-6-18(25)26/h7-10,13H,1-6,11-12H2,(H,22,24)(H,25,26)/p-1/b16-13-/fC20H22BrN2O4S2/h22H/q-1 979F132773CB6661