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Salt of Tetrahydroisoquinoline Derivative, Preparation Method, Medical Use

USPTO granted patent US12606551B2 to Zhejiang Hisun Pharmaceutical Co., Ltd. covering a salt form of (S)-2-(6-fluorobenzo[d]oxazol-2-yl)-6-methoxy-5-((5-methoxypyridin-2-yl))methoxy)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid, its preparation method, and pharmaceutical compositions containing it. The patent classifies the compound as an angiotensin II type-2 receptor antagonist. Four claims were allowed.