发明人李文辉,陈志强,孙丽萍. "Method for the Synthesis of Oxazole-4-carboxylic acid hydrazide" [P]. 中国发明专利, 专利号 CN 109625794 B, 授权公告日 2024-09-09.
发明人钱学锋,张德明,徐明华. "A Process for Preparing High-Purity Oxazole-4-carboxylic acid hydrazide" [P]. 中国发明专利, 专利号 CN 113896381 B, 授权公告日 2025-12-27.
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