发明人郭海燕,张德明,韩伟. "Method for the Synthesis of 4-(3-Chloropyrazin-2-yl)-N,N-dimethylpiperidine-1-sulfonamide" [P]. 中国发明专利, 专利号 CN 114238063 B, 授权公告日 2023-05-03.
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