发明人唐晓军,林芳,马晓峰. "Method for the Synthesis of 5-(4-Ethylphenyl)-3-hydroxy-4-(4-methoxy-3-methylbenzoyl)-1-(2-morpholinoethyl)-1H-pyrrol-2(5H)-one" [P]. 中国发明专利, 专利号 CN 114769418 B, 授权公告日 2019-01-25.
发明人胡光,何建平,王建平. "A Process for Preparing High-Purity 5-(4-Ethylphenyl)-3-hydroxy-4-(4-methoxy-3-methylbenzoyl)-1-(2-morpholinoethyl)-1H-pyrrol-2(5H)-one" [P]. 中国发明专利, 专利号 CN 110921930 B, 授权公告日 2020-03-11.
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