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发明人张德明,韩伟,何建平. "Method for the Synthesis of rel-(3aS,4S,5S,6R,7aS)-4-(ethoxycarbonyl)-6-ethyl-1-oxooctahydro-1H-indene-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112021188 A, 授权公告日 2023-05-01.
发明人赵玉洁,杨光,沈红梅. "A Process for Preparing High-Purity rel-(3aS,4S,5S,6R,7aS)-4-(ethoxycarbonyl)-6-ethyl-1-oxooctahydro-1H-indene-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111949273 B, 授权公告日 2015-08-17.
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