aczone araldite ht atrisone avlosulfon avlosulfone avlosulphone avsulfor bis sulfone bissulfone bissulphone croysulfone croysulphone dapson dapsona dapsone dapsonum di sulfone diaphenyl sulfone diaphenylsulfon diaphenylsulfone diaphenylsulphon diaphenylsulphone dimitone diphenasone diphone disulfone disulone disulphone dubronax dubronaz dumitone eporal metabolite c novophone protogen servidapson slphadione sulfadione sulfona sulfone ucb sulfonyldianiline sulphadione sulphonyldianiline sumicure s tarimyl udolac