aczone aralditeht atrisone avlosulfon avlosulfone avlosulphone avsulfor bissulfone bissulphone croysulfone croysulphone dapson dapsona dapsonum disulfone diaphenylsulfone diaphenylsulfon diaphenylsulphon diaphenylsulphone dimitone diphenasone diphone disulone disulphone dubronax dubronaz dumitone eporal metabolitec novophone protogen servidapson slphadione sulfadione sulfona sulfoneucb sulfonyldianiline sulphadione sulphonyldianiline sumicures tarimyl udolac