4,5,6,7-Tetrabromo-3,3-bis(2,6-dichloro-4-hydroxyphenyl)-3H-2,1-benzoxathiole 1,1-dioxide

4,4'-(4,5,6,7-tetrabromo-3H-2,1-benzoxathiol-3-ylidene)bis[2,6-dichlorophenol] S,S-dioxide