发明人高志强,赵玉洁,王建平. "Method for the Synthesis of 2-[(4-Heptylphenyl)methylene]-1H-indene-1,3(2H)-dione" [P]. 中国发明专利, 专利号 CN 110128266 B, 授权公告日 2018-12-18.
发明人陈志强,韩伟,罗永刚. "A Process for Preparing High-Purity 2-[(4-Heptylphenyl)methylene]-1H-indene-1,3(2H)-dione" [P]. 中国发明专利, 专利号 CN 115966872 A, 授权公告日 2024-04-12.
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