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