Patel M V, Lee S K, Yamamoto T. "Method for the Synthesis of 2-(2-(1-Carbamothioyl-3-methyl-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene)hydrazinyl)benzoic acid" [P]. US Patent, US 11097638 B2, 2021-03-06.
发明人徐明华,罗永刚,马晓峰. "A Process for Preparing High-Purity 2-(2-(1-Carbamothioyl-3-methyl-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene)hydrazinyl)benzoic acid" [P]. 中国发明专利, 专利号 CN 112321381 B, 授权公告日 2022-09-10.
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