InChI=1/C21H22BrNO6S/c1-29-16-7-2-13(3-8-16)14-4-9-17(10-5-14)30(27,28)23-20(21(25)26)18-11-6-15(24)12-19(18)22/h2-5,7-10,12,15,18,20,23-24H,6,11H2,1H3,(H,25,26)/p-1/t15-,18+,20+/m0/s1/fC21H21BrNO6S/q-1 8BCFCAD2B2F26F33