发明人郑宇鹏,马晓峰,韩伟. "Method for the Synthesis of 1-(thiophen-3-yl)-2-azaspiro[3.3]heptane hydrochloride" [P]. 中国发明专利, 专利号 CN 114810488 A, 授权公告日 2022-12-12.
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