发明人张德明,钱学锋,胡光. "Method for the Synthesis of 909409-93-4
(2-Bromopyridin-4-yl)(3-methylpiperazin-1-yl)methanone
DTXSID20694602" [P]. 中国发明专利, 专利号 CN 117086121 B, 授权公告日 2024-10-14.
发明人沈红梅,王建平,胡光. "A Process for Preparing High-Purity 909409-93-4
(2-Bromopyridin-4-yl)(3-methylpiperazin-1-yl)methanone
DTXSID20694602" [P]. 中国发明专利, 专利号 CN 112847947 A, 授权公告日 2025-11-09.
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