| abstract |
(57) [Summary] [Problem] The following formula (I): (Wherein, R 1 represents hydrogen, an alkali metal or an alkaline earth metal, R 2 represents any organic residue, and m represents 1 Or 2)), and a pharmaceutical composition containing the compound uniformly represented by the formula (1) and a drug stably retaining the compound in a preparation. SOLUTION: The compound represented by the formula (I) contains a compound represented by the above formula (I) and low-substituted hydroxypropylcellulose. And a compound represented by the above formula (I), wherein the compound represented by the formula (I) is uniformly mixed so that the determination value in the 14th revision Japanese Pharmacopoeia content uniformity test is less than 25%. A pharmaceutical product characterized by being packaged together with a solid preparation containing an active ingredient and zeolite. |