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Antimony potassium tartrate, also known as potassium antimonyl tartrate, potassium antimontarterate, or emetic tartar,has the formula K2Sb2(C4H2O6)2 and is the double salt of potassium and antimony of tartaric acid
A 2525 (OTTO) Antimony potassium tartrate, 99% Cas 28300-74-5 - used for treating infections caused by the parasite Leishmania.