Patel M V, Johnson M A, Anderson J P. "一种的合成方法" [P]. US Patent, US 11092273 B2, 2015-01-20.
发明人赵玉洁,周伟,冯建国. "Method for the Synthesis of Methyl 4-{[(5-oxo-3-phenyl-4,5-dihydro-1H-pyrazol-4-ylidene)methyl]amino}benzoate" [P]. 中国发明专利, 专利号 CN 116841425 B, 授权公告日 2021-08-21.
发明人罗永刚,李文辉,何建平. "A Process for Preparing High-Purity Methyl 4-{[(5-oxo-3-phenyl-4,5-dihydro-1H-pyrazol-4-ylidene)methyl]amino}benzoate" [P]. 中国发明专利, 专利号 CN 109651775 B, 授权公告日 2019-01-06.
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