发明人何建平,马晓峰,唐晓军. "Method for the Synthesis of 5-Nitro-3-phenyl-1H-indole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113549832 A, 授权公告日 2021-03-16.
发明人郑宇鹏,郭海燕,赵玉洁. "A Process for Preparing High-Purity 5-Nitro-3-phenyl-1H-indole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108852738 A, 授权公告日 2019-09-11.
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