penicillamine(redirected from beta,beta-dimethylcysteine)
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A chelating agent, C5H11NO2S, that is a degradation product of penicillin and is used in the treatment of Wilson disease, refractory rheumatoid arthritis, and excess urinary excretion of cystine.
(Pharmacology) pharmacol a metabolite of penicillin, being a pyridoxine inhibitor and chelating agent, usually used as an anti-inflammatory in the treatment of arthritis
pen•i•cil•la•mine(ˌpɛn əˈsɪl əˌmin, -mɪn)
a chelating agent produced by the degradation of penicillin, used esp. to treat rheumatoid arthritis and lead poisoning.