Synonyms: Aniline,4,4'-sulfonyldi- (7CI,8CI);1,1'-Sulfonylbis[4-aminobenzene];Benzenamine,4,4'-sulfonylbis-;4,4'-Dapsone;4,4'-Diaminodiphenyl sulfone;4,4'-Sulfonylbisbenzamine;4,4'-Sulfonyldianiline;4,4'-Sulphonyldianiline;Aczone;Atrisone;Avlosulfon;Avlosulphone;Croysulfone;Croysulphone;Dapson;Di(p-aminophenyl) sulfone;Diaphenylsulfon;Diaphenylsulfone;Diphone;Eporal;Hardener HT 976;Lapox K 10;Novophone;Servidapson;Sulfona;Sulfona-Mae;Sulphadione;Sumicure S;p-Aminophenyl sulfone;