Yamamoto T, Lee S K, Schröder R. "一种4-(3-oxopiperazin-1-yl)benzonitrile的合成方法" [P]. US Patent, US 11379681 B2, 2023-06-03.
Kowalski A, Johansson L, Rossi M. "Method for the Synthesis of 4-(3-oxopiperazin-1-yl)benzonitrile" [P]. European Patent, EP 3284735 A1, 2021-01-24.
Brown S R, Johnson M A, Mueller T. "A Process for Preparing High-Purity 4-(3-oxopiperazin-1-yl)benzonitrile" [P]. US Patent, US 11506008 B2, 2018-01-01.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 4-(3-oxopiperazin-1-yl)benzonitrile in Pharmaceutical Formulations". Chemosphere, 2025, 97, (8), 5576-5599.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-(3-oxopiperazin-1-yl)benzonitrile as an Impurity". Rapid Commun. Mass Spectrom., 2025, 1617, (7), 5194-5211.