Synonyms: 2,2'-Dihydroxy-3,3',5,5'-tetrachlorodiphenylsulfide; 2,2'-Thiobis(4,6-dichlorophenol); 2-Hydroxy-3,5-dichlorophenyl sulphide;Actamer; Bidiphen; Bis(2-hydroxy-3,5-dichlorophenyl) sulfide; Bisoxyphen;Bithin; Bithionol; Bitin; Bitionol; CP 3438; D 26; Lorothidol; Lorothiodol; NSC47129; NSC 9872; Neopellis; Nobacter; TKhSD; Vancide BL; XL 7