发明人王建平,刘建华,何建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117834559 A, 授权公告日 2015-02-09.
发明人冯建国,唐晓军,刘建华. "Method for the Synthesis of 2-Isobutyl-1-oxo-2,9-dihydro-1H-pyrido[3,4-b]indole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117852237 B, 授权公告日 2016-05-01.
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