发明人罗永刚,韩伟,胡光. "Method for the Synthesis of 1-(Pyridin-4-ylmethyl)-1H-indazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112014696 A, 授权公告日 2021-06-06.
发明人张德明,陈志强,赵玉洁. "A Process for Preparing High-Purity 1-(Pyridin-4-ylmethyl)-1H-indazole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112326469 B, 授权公告日 2023-12-21.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2012, 808, 4535-4549.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2020, 2150, (6), 6989-6998.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 1-(Pyridin-4-ylmethyl)-1H-indazole-3-carboxylic acid Using HRMS and NMR". Phytochemistry, 2022, 2048, 8967-8993.