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Molecular formula : MW : CAS :
nature : the white crystalline powder. No foul. Early tasteless, after slightly bitter flavor. A primer moist, easy-change case. Water-soluble. Alcohol and do not dissolve in organic solvents. Allergy medium resistance release agent. New asthma drug. There is no bronchodilator and anti-inflammatory effect. A major role is to stabilize the mast cell lung tissue, inhibiting the release of allergic medium. Little oral absorption, inhalation powder spray. Excretion fast, without toxicity. Seasonal and for the prevention and treatment of allergic asthma. From 1,3-bis (3-hydroxy-2-acetyl-phenoxy) - 2-hydroxy propane with diethyl oxalate by cyclization and prepared.
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