发明人罗永刚,徐明华,钱学锋. "Method for the Synthesis of (5-Amino-4-carboxy-1H-pyrazol-1-yl)benzene
5-Amino-4-carboxy-1-phenyl-1H-pyrazole
5-amino-1-phenylpyrazole-4-carboxylic acid
51649-80-0" [P]. 中国发明专利, 专利号 CN 116076905 A, 授权公告日 2025-10-22.
发明人张德明,郭海燕,胡光. "A Process for Preparing High-Purity (5-Amino-4-carboxy-1H-pyrazol-1-yl)benzene
5-Amino-4-carboxy-1-phenyl-1H-pyrazole
5-amino-1-phenylpyrazole-4-carboxylic acid
51649-80-0" [P]. 中国发明专利, 专利号 CN 110301038 A, 授权公告日 2024-08-18.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 5-氨基-1-苯基-1<I>H</I>-吡唑-4-羧酸 in Pharmaceutical Formulations". Anal. Methods, 2012, 436, (7), 9761-9782.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-氨基-1-苯基-1<I>H</I>-吡唑-4-羧酸 as an Impurity". Anal. Chim. Acta, 2019, 306, (1), 6746-6757.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of (5-Amino-4-carboxy-1H-pyrazol-1-yl)benzene
5-Amino-4-carboxy-1-phenyl-1H-pyrazole
5-amino-1-phenylpyrazole-4-carboxylic acid
51649-80-0 Using HRMS and NMR". Phytochemistry, 2013, 2144, (4), 3754-3770.