发明人沈红梅,王建平,钱学锋. "Method for the Synthesis of 3-[(3-Methyl-4-oxo-1,3-thiazolidin-2-ylidene)amino]benzoic acid" [P]. 中国发明专利, 专利号 CN 115179029 B, 授权公告日 2018-09-24.
发明人刘建华,马晓峰,钱学锋. "A Process for Preparing High-Purity 3-[(3-Methyl-4-oxo-1,3-thiazolidin-2-ylidene)amino]benzoic acid" [P]. 中国发明专利, 专利号 CN 117208899 B, 授权公告日 2017-06-01.
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