Synonyms: 3,5,3',5'-Tetrachloro-2,2'-dihydroxydiphenylsulfoxide;Bis(3,5-dichloro-2-hydroxyphenyl) sulfoxide;Bithionol sulfoxide;Bitin S;Disto-5-Cogla;Distobitin;Levacid;NSC 523910;Sulphene;Bithionoloxide;Bis(2-hydroxy-3,5-dichlorophenyl) sulfoxide;2,2'-Sulfinylbis[4,6-dichlorophenol];2,2'-Dihydroxy-3,3',5,5'-tetrachlorodiphenylsulfoxide;