InChI=1/C21H21BrN2O3S/c1-13-11-15(7-9-18(13)22)23-28(26,27)16-8-10-19-17(12-16)20(21(25)24(19)2)14-5-3-4-6-14/h7-12,23H,3-6H2,1-2H3 9E42089BB833CC2F