4,4'-sulfonyldianiline

4,4′-sulfonyldianiline

[¦fȯr ‚fȯr‚prīm ¦səl·fə‚nil·dī′an·ə·lən]
(pharmacology)
C12H12N2O2S A sulfone that precipitates as crystals from alcohol; melting point 175-176°C; used in the treatment of leprosy. Also known as dapsone.