发明人王建平,沈红梅,胡光. "一种螺吡酮的合成方法" [P]. 中国发明专利, 专利号 CN 108853634 A, 授权公告日 2024-10-21.
Yamamoto T, Davis P L, Thompson G K. "Method for the Synthesis of Spiropidion" [P]. US Patent, US 10954416 B2, 2024-03-03.
发明人赵玉洁,马晓峰,周伟. "A Process for Preparing High-Purity Spiropidion" [P]. 中国发明专利, 专利号 CN 112245761 A, 授权公告日 2021-04-17.
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