发明人杨光,胡光,徐明华. "Method for the Synthesis of 2-(Carboxy(hydroxy)methyl)-7-hydroxybenzo[d]oxazole" [P]. 中国发明专利, 专利号 CN 114179781 B, 授权公告日 2025-06-02.
Martínez F, Johansson L, Nowak P. "A Process for Preparing High-Purity 2-(Carboxy(hydroxy)methyl)-7-hydroxybenzo[d]oxazole" [P]. European Patent, EP 3069820 A1, 2018-06-08.
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