发明人赵玉洁,刘建华,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116154253 A, 授权公告日 2022-09-07.
发明人钱学锋,马晓峰,高志强. "Method for the Synthesis of N-[(5Z)-5-{[(3,5-dimethoxyphenyl)amino]methylidene}-6-oxo-4H,5H,6H-cyclopenta[b]thiophen-4-yl]-2,2,2-trifluoroacetamide" [P]. 中国发明专利, 专利号 CN 117240003 B, 授权公告日 2025-01-21.
发明人郑宇鹏,马晓峰,王建平. "A Process for Preparing High-Purity N-[(5Z)-5-{[(3,5-dimethoxyphenyl)amino]methylidene}-6-oxo-4H,5H,6H-cyclopenta[b]thiophen-4-yl]-2,2,2-trifluoroacetamide" [P]. 中国发明专利, 专利号 CN 112946059 B, 授权公告日 2016-11-06.
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