[ Structural formula]

[ Molecular formula ]C₁₄H₁₀Cl₂NO₂K

[ Molecular weight ]334.24

[ Properties] white or off white crystalline powder , Easy to dissolve in methanol and ethanol, practically insoluble in water . It is strong antiinflammation, antalgic and antipyretic drug, its function is 2.5 times of confortid, 50 times of aspirin and 2 times of DICLOFENAC SODIUM.