发明人孙丽萍,张德明,郭海燕. "Method for the Synthesis of (E)-1-Phenyl-4-((E)-1,3,3-trimethylindolin-2-ylidene)but-2-en-1-one" [P]. 中国发明专利, 专利号 CN 113300436 A, 授权公告日 2021-06-19.
发明人赵玉洁,李文辉,韩伟. "A Process for Preparing High-Purity (E)-1-Phenyl-4-((E)-1,3,3-trimethylindolin-2-ylidene)but-2-en-1-one" [P]. 中国发明专利, 专利号 CN 112441791 A, 授权公告日 2022-10-19.
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