发明人陈志强,冯建国,周伟. "一种3-氰基-1H-吲哚-5-羧酸甲酯的合成方法" [P]. 中国发明专利, 专利号 CN 110439554 A, 授权公告日 2019-08-12.
发明人高志强,杨光,罗永刚. "Method for the Synthesis of Methyl 3-cyano-1H-indole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 114110042 A, 授权公告日 2022-02-08.
发明人杨光,胡光,赵玉洁. "A Process for Preparing High-Purity Methyl 3-cyano-1H-indole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 110744001 B, 授权公告日 2019-04-07.
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