发明人钱学锋,杨光,孙丽萍. "Method for the Synthesis of (E)-2-(Benzo[d]thiazol-2-yl)-3-(9-methyl-4-oxo-2-(m-tolyloxy)-4H-pyrido[1,2-a]pyrimidin-3-yl)acrylonitrile" [P]. 中国发明专利, 专利号 CN 110122770 B, 授权公告日 2024-11-14.
发明人张德明,郑宇鹏,朱建伟. "A Process for Preparing High-Purity (E)-2-(Benzo[d]thiazol-2-yl)-3-(9-methyl-4-oxo-2-(m-tolyloxy)-4H-pyrido[1,2-a]pyrimidin-3-yl)acrylonitrile" [P]. 中国发明专利, 专利号 CN 113246530 B, 授权公告日 2022-08-10.
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