发明人沈红梅,徐明华,杨光. "Method for the Synthesis of Ethyl 5,5,7-trimethyl-1-oxaspiro[2.5]Octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 116933812 B, 授权公告日 2020-03-16.
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