发明人周伟,郭海燕,马晓峰. "Method for the Synthesis of 4-[(3-Methoxypropyl)amino]-3-nitrobenzoic acid" [P]. 中国发明专利, 专利号 CN 113113927 A, 授权公告日 2021-02-25.
发明人郭海燕,郑宇鹏,朱建伟. "A Process for Preparing High-Purity 4-[(3-Methoxypropyl)amino]-3-nitrobenzoic acid" [P]. 中国发明专利, 专利号 CN 112377119 B, 授权公告日 2016-02-06.
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