发明人朱建伟,郭海燕,韩伟. "Method for the Synthesis of Methyl 6-cyano-1,2,2a,7b-tetrahydro-3H-cyclobuta[b]indole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114562495 B, 授权公告日 2016-05-02.
发明人郭海燕,王建平,何建平. "A Process for Preparing High-Purity Methyl 6-cyano-1,2,2a,7b-tetrahydro-3H-cyclobuta[b]indole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115069686 B, 授权公告日 2025-02-11.
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