4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis(3-bromo-2,5-dimethylphenol) S,S-dioxide 40070-59-5 EINECS 254-780-4 Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(3-bromo-2,5-dimethyl-, S,S-dioxide