发明人冯建国,周伟,郭海燕. "Method for the Synthesis of Otilonium Bromide" [P]. 中国发明专利, 专利号 CN 109836683 A, 授权公告日 2019-05-19.
发明人林芳,胡光,马晓峰. "A Process for Preparing High-Purity Otilonium Bromide" [P]. 中国发明专利, 专利号 CN 113745897 A, 授权公告日 2025-05-04.
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