发明人胡光,冯建国,孙丽萍. "Method for the Synthesis of 4-Amino-2-bromo-5-(difluoromethyl)pyridine-3-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 113741505 B, 授权公告日 2021-05-12.
发明人唐晓军,朱建伟,沈红梅. "A Process for Preparing High-Purity 4-Amino-2-bromo-5-(difluoromethyl)pyridine-3-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 109375834 A, 授权公告日 2023-01-18.
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