发明人何建平,罗永刚,林芳. "Method for the Synthesis of Sodium 2-[[3-(Trifluoromethyl)phenyl]amino]benzoate" [P]. 中国发明专利, 专利号 CN 109096125 A, 授权公告日 2019-09-15.
发明人高志强,朱建伟,孙丽萍. "A Process for Preparing High-Purity Sodium 2-[[3-(Trifluoromethyl)phenyl]amino]benzoate" [P]. 中国发明专利, 专利号 CN 108815534 B, 授权公告日 2019-05-01.
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