发明人赵玉洁,罗永刚,孙丽萍. "Method for the Synthesis of Ethyl 4-oxo-4-(2,3,4,5,6-pentamethylphenyl)butanoate" [P]. 中国发明专利, 专利号 CN 108829913 A, 授权公告日 2016-02-26.
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