Brown S R, Schröder R, Roberts E F. "一种的合成方法" [P]. US Patent, US 10608908 B2, 2022-03-09.
发明人王建平,钱学锋,刘建华. "Method for the Synthesis of 2,3-Dihydro-6-methyl-7-(1-methyl-2-oxopropoxy)-cyclopenta[c][1]benzopyran-4(1H)-one" [P]. 中国发明专利, 专利号 CN 116730811 B, 授权公告日 2018-02-28.
发明人赵玉洁,徐明华,黄志刚. "A Process for Preparing High-Purity 2,3-Dihydro-6-methyl-7-(1-methyl-2-oxopropoxy)-cyclopenta[c][1]benzopyran-4(1H)-one" [P]. 中国发明专利, 专利号 CN 115262651 A, 授权公告日 2020-01-21.
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 in Pharmaceutical Formulations". Chromatographia, 2013, 2268, 1691-1711.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2024, 2054, 2203-2221.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2,3-Dihydro-6-methyl-7-(1-methyl-2-oxopropoxy)-cyclopenta[c][1]benzopyran-4(1H)-one Using HRMS and NMR". J. Pharm. Biomed. Anal., 2018, 1187, 7652-7673.