发明人赵玉洁,李文辉,罗永刚. "Method for the Synthesis of 6-Phenyl-2-oxaspiro[3.3]Heptane-6-carbonitrile" [P]. 中国发明专利, 专利号 CN 115751094 B, 授权公告日 2021-03-26.
发明人孙丽萍,郭海燕,韩伟. "A Process for Preparing High-Purity 6-Phenyl-2-oxaspiro[3.3]Heptane-6-carbonitrile" [P]. 中国发明专利, 专利号 CN 113579372 B, 授权公告日 2020-01-04.
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