发明人王建平,唐晓军,杨光. "一种罂粟碱杂质36的合成方法" [P]. 中国发明专利, 专利号 CN 115203005 A, 授权公告日 2017-12-01.
Fischer A B, Johnson M A, Schröder R. "Method for the Synthesis of Papaverine Impurity 36" [P]. US Patent, US 11557611 B2, 2021-04-09.
发明人杨光,赵玉洁,钱学锋. "A Process for Preparing High-Purity Papaverine Impurity 36" [P]. 中国发明专利, 专利号 CN 115837518 A, 授权公告日 2021-08-19.
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