发明人高志强,黄志刚,胡光. "Method for the Synthesis of 2-(3,4-dihydro-2H-1-benzopyran-4-yl)guanidine hydrochloride" [P]. 中国发明专利, 专利号 CN 113299212 A, 授权公告日 2017-09-11.
发明人何建平,张德明,黄志刚. "A Process for Preparing High-Purity 2-(3,4-dihydro-2H-1-benzopyran-4-yl)guanidine hydrochloride" [P]. 中国发明专利, 专利号 CN 117824119 A, 授权公告日 2022-07-11.
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