发明人沈红梅,马晓峰,高志强. "Method for the Synthesis of 1-(5-Formyl-2-methoxybenzyl)-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108595136 B, 授权公告日 2020-07-10.
发明人何建平,沈红梅,唐晓军. "A Process for Preparing High-Purity 1-(5-Formyl-2-methoxybenzyl)-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112814547 B, 授权公告日 2015-07-11.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2013, 840, (9), 5038-5062.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2022, 875, 1714-1721.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 1-(5-Formyl-2-methoxybenzyl)-1H-pyrazole-4-carboxylic acid Using HRMS and NMR". J. Chromatogr. A, 2024, 928, (4), 9625-9644.