发明人郭海燕,沈红梅,陈志强. "Method for the Synthesis of 3-methyl-3,4-dihydro-2H-1-benzopyran-4-amine hydrochloride" [P]. 中国发明专利, 专利号 CN 111952658 B, 授权公告日 2021-06-12.
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