发明人郑宇鹏,周伟,孙丽萍. "Method for the Synthesis of N-Ethyl-N-methyl-4-(piperazin-1-yl)pyridine-3-sulfonamide" [P]. 中国发明专利, 专利号 CN 111296963 B, 授权公告日 2021-12-05.
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