发明人赵玉洁,杨光,张德明. "Method for the Synthesis of spiro[chromene-2,3’-pyrrolidine] hydrochloride" [P]. 中国发明专利, 专利号 CN 109490497 A, 授权公告日 2024-02-10.
发明人唐晓军,张德明,郑宇鹏. "A Process for Preparing High-Purity spiro[chromene-2,3’-pyrrolidine] hydrochloride" [P]. 中国发明专利, 专利号 CN 116925734 A, 授权公告日 2022-02-04.
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