发明人胡光,唐晓军,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112215198 A, 授权公告日 2021-07-28.
发明人何建平,孙丽萍,郑宇鹏. "Method for the Synthesis of 4-(4-(Benzyloxy)-2-methylbenzoyl)-3-hydroxy-5-(3-nitrophenyl)-1-(pyridin-3-ylmethyl)-1H-pyrrol-2(5H)-one" [P]. 中国发明专利, 专利号 CN 109151091 B, 授权公告日 2021-03-13.
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