发明人黄志刚,杨光,马晓峰. "Method for the Synthesis of 4-(Benzylamino)-5-chloropyridine-3-sulfonic acid" [P]. 中国发明专利, 专利号 CN 110523190 B, 授权公告日 2023-02-01.
Johansson L, Martínez F, Nowak P. "A Process for Preparing High-Purity 4-(Benzylamino)-5-chloropyridine-3-sulfonic acid" [P]. European Patent, EP 3387791 A1, 2019-08-23.
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