Bromophenol blue (BPB); 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1λ<sup>6</sup>-benzoxathiol-3-yl]phenol; 3'',3'''',5'',5''''-Tetrabromophenolsulfonephthalein; 3'',3'''',5'',5''''-Tetrabromophenolsulfonphthalein; Bromphenol Blue Sultone Form; Bromophenol Blue; Bromophenol blue
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