Kumar R, Schröder R, Roberts E F. "一种3,4-dihydro-2H-1-benzopyran-4-carboximidamide hydrochloride的合成方法" [P]. US Patent, US 10546971 B2, 2015-03-03.
发明人马晓峰,李文辉,徐明华. "Method for the Synthesis of 3,4-dihydro-2H-1-benzopyran-4-carboximidamide hydrochloride" [P]. 中国发明专利, 专利号 CN 111081299 B, 授权公告日 2015-08-26.
发明人孙丽萍,唐晓军,黄志刚. "A Process for Preparing High-Purity 3,4-dihydro-2H-1-benzopyran-4-carboximidamide hydrochloride" [P]. 中国发明专利, 专利号 CN 111552736 A, 授权公告日 2016-05-22.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of 3,4-dihydro-2H-1-benzopyran-4-carboximidamide hydrochloride in Pharmaceutical Formulations". Environ. Sci. Technol., 2014, 229, 96-124.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3,4-dihydro-2H-1-benzopyran-4-carboximidamide hydrochloride as an Impurity". Anal. Methods, 2025, 436, (5), 482-508.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 3,4-dihydro-2H-1-benzopyran-4-carboximidamide hydrochloride Using HRMS and NMR". Phytochemistry, 2015, 844, 730-748.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate 3,4-dihydro-2H-1-benzopyran-4-carboximidamide hydrochloride Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2023, 2108, (2), 5407-5415.