Stevens L M, Klinger H, Patel M V. "Method for the Synthesis of Methyl 4-((N-(aza(2-oxoindolin-3-ylidene)methyl)carbamoyl)methoxy)benzoate" [P]. US Patent, US 10187734 B2, 2025-08-18.
发明人王建平,郭海燕,钱学锋. "A Process for Preparing High-Purity Methyl 4-((N-(aza(2-oxoindolin-3-ylidene)methyl)carbamoyl)methoxy)benzoate" [P]. 中国发明专利, 专利号 CN 116453694 B, 授权公告日 2023-09-28.
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