Patel M V, Williams B T, Roberts E F. "Method for the Synthesis of Ethyl 2-[(4-methylphenyl)amino]-5-(3-nitrophenyl)-1H-pyrrole-3-carboxylate" [P]. US Patent, US 9063424 B2, 2020-10-08.
发明人胡光,钱学锋,郭海燕. "A Process for Preparing High-Purity Ethyl 2-[(4-methylphenyl)amino]-5-(3-nitrophenyl)-1H-pyrrole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115772928 A, 授权公告日 2023-05-24.
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