auranofin

:  a gold-containing compound C₂₀H₃₄AuO₉PS taken orally in the treatment of rheumatoid arthritis Orally administered gold (auranofin), although less toxic than the injectable forms, does not appear to be sufficiently efficacious to replace parenteral preparations.—Edward D. Harris, Jr., The New England Journal of Medicine, 3 May 1990 ◆Auranofin is marketed under the trademark Ridaura.