3,3-bis-(3-bromo-4-hydroxy-phenyl)-3H-benz[c][1,2]oxathiol-1,1-dioxide, bromocresol red, 4,4'-(1,1-dioxido-3h-2,1-benzoxathiole-3,3-diyl)bis(2-bromophenol), EINECS 220-538-1, Bromophenol Red Indicator, bromphenol red, BroMophenol Red, 3,3-Bis-(3-brom-4-hydroxy-phenyl)-3H-benz[c][1,2]oxathiol-1,1-dioxid