发明人陈志强,孙丽萍,郭海燕. "Method for the Synthesis of 1-Oxo-2,4a,9,9a-tetrahydro-1H-pyrido[3,4-b]indole-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113618375 B, 授权公告日 2023-05-21.
发明人沈红梅,罗永刚,杨光. "A Process for Preparing High-Purity 1-Oxo-2,4a,9,9a-tetrahydro-1H-pyrido[3,4-b]indole-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110762161 A, 授权公告日 2021-05-20.
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