The present invention is concerned with means for stabilising amlodipine maleate to prevent the formation of unwanted Michael adduct and with stabilised pharmaceutical compositions obtained thereby.
An amlodipine derivative having the following formula is useful, either alone or in combination with amlodipine, as a pharmaceutical in treating angina and hypertension.
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The present invention is concerned with means for stabilizing amlodipine maleate to prevent the formation of unwanted Michael adduct and with stabilized pharmaceutical compositions obtained thereby.