Fischer A B, Mueller T, Kumar R. "Method for the Synthesis of 1-(1H-benzo[d]imidazol-2-yl)-3-(4-methoxyphenyl)-1H-pyrazol-5-ol" [P]. US Patent, US 11676775 B2, 2020-11-20.
Park J H, Mueller T, Stevens L M. "A Process for Preparing High-Purity 1-(1H-benzo[d]imidazol-2-yl)-3-(4-methoxyphenyl)-1H-pyrazol-5-ol" [P]. US Patent, US 9272969 B2, 2016-02-28.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2024, 574, (10), 8495-8519.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2013, 329, 9766-9774.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 1-(1H-benzo[d]imidazol-2-yl)-3-(4-methoxyphenyl)-1H-pyrazol-5-ol Using HRMS and NMR". J. Nat. Prod., 2012, 748, (11), 9061-9076.