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Definition of: arsphenamine
(ärs′fen·ə·mēn′, ärs′fen·am′in) noun
A yellow, crystalline arsenic compound, C12H14O2N2Cl2As2·2H2O, first prepared by Paul Ehrlich as a treatment for syphilis and other spirillum infections, as relapsing fever, frambesia, etc.: also called Salvarsan. [<ARS(ENIC) + PHEN(YL) + AMINE]
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