A method for the preparation of a solid pharmaceutical preparation containing water-dispersible grains of one or more salts, other than embonate, of the formula **(See formula)** where R1 is a hydrogen, chlorine or bromine atom or a methyl or nitro group; R2 is a hydrogen, fluorine, chlorine or bromine atom or a methyl group; and A- is an anionic equivalent of a pharmaceutically acceptable acid that is chosen so that the salt has a solubility in water of less than 2% w/v at 200ºC, characterized in that 1 to 10 parts by weight of one or more soluble embonates are they mix with 80 to 95 parts of said water dispersible granules. (Machine-translation by Google Translate, not legally binding)
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