发明人张德明,刘建华,马晓峰. "Method for the Synthesis of iotropium Bromide Impurity 12" [P]. 中国发明专利, 专利号 CN 112387215 A, 授权公告日 2015-05-05.
Anderson J P, Roberts E F, Thompson G K. "A Process for Preparing High-Purity iotropium Bromide Impurity 12" [P]. US Patent, US 9368998 B2, 2025-01-23.
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