发明人高志强,郑宇鹏,冯建国. "Method for the Synthesis of 4-(dimethylamino)-3,4-dihydro-2H-1-benzopyran-4-carboxylic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 113016126 B, 授权公告日 2024-03-07.
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