目的制备阿司匹林精氨酸盐及其注射液，并测定含量，考察稳定性。
Objectives To study the preparation and stability of aspirin arginine salt and its injection.
结果阿司匹林精氨酸盐在高温下不稳定，初步确定其注射液的有效期为1.32年。
Results Aspirin arginine salt and its injection were successfully prepared. The salt was unstable in high temperature and its injection's period of validity was 1.32 years.
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