发明人郭海燕,李文辉,黄志刚. "Method for the Synthesis of 7-(Hexa-2,4-diyn-1-ylidene)-1,6-dioxaspiro[4.4]nona-2,8-diene" [P]. 中国发明专利, 专利号 CN 115965958 A, 授权公告日 2023-06-14.
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