发明人刘建华,唐晓军,韩伟. "Method for the Synthesis of Levpropoxyphene Napsylate Monohydrate" [P]. 中国发明专利, 专利号 CN 108289282 B, 授权公告日 2022-06-19.
发明人冯建国,刘建华,孙丽萍. "A Process for Preparing High-Purity Levpropoxyphene Napsylate Monohydrate" [P]. 中国发明专利, 专利号 CN 114701816 A, 授权公告日 2024-09-26.
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