Kumar R, Johnson M A, Mueller T. "Method for the Synthesis of (3,4-Dimethoxyphenyl)(piperazin-1-yl)methanone hydrochloride" [P]. US Patent, US 10584423 B2, 2017-06-04.
Hughes D C, Thompson G K, Mueller T. "A Process for Preparing High-Purity (3,4-Dimethoxyphenyl)(piperazin-1-yl)methanone hydrochloride" [P]. US Patent, US 11131178 B2, 2015-03-08.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2019, 1125, (11), 8312-8318.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2025, 2253, (3), 5761-5776.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of (3,4-Dimethoxyphenyl)(piperazin-1-yl)methanone hydrochloride Using HRMS and NMR". Anal. Chem., 2010, 192, 1401-1423.