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nature : also known as warfarin (X-Farin). Names 3-α - (acetone - benzyl) - 4-hydroxy-coumarin. A rodenticides. A colorless and tasteless acicular crystals. 161 ° C melting point. Refractory in the water, benzene and cyclohexane, micro-soluble methanol and ethanol, and acetone soluble in two Dioxane. Can be used to kill rodents and other Mus musculus, the general dubbed content 0.02% Bait or night in 0.5% of contact poison. Also as anticoagulants, medicine often Lin said China and France. Methyl salicylate can be first, acetic acid and concentrated sulfuric acid role as acetyl salicylic acid methyl ester, meetings with liquid paraffin and sodium metal into effect. 4-Hydroxy-coumarin, with phenylmethylene acetone from such role.
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