Björnsson E, Sørensen M, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3086833 A1, 2017-11-06.
发明人郭海燕,韩伟,罗永刚. "Method for the Synthesis of 4-Methyl-3,4-dihydro-2h-1-benzopyran-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115260417 A, 授权公告日 2021-03-18.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2018, 1279, (12), 8781-8798.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2014, 2148, (10), 7302-7306.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 4-Methyl-3,4-dihydro-2h-1-benzopyran-4-carboxylic acid Using HRMS and NMR". Phytochemistry, 2011, 2275, (12), 6079-6101.