Kumar R, Lee S K, Johnson M A. "一种N/A的合成方法" [P]. US Patent, US 10252251 B2, 2016-11-15.
发明人刘建华,徐明华,杨光. "Method for the Synthesis of 3-Aminobenzo[c]isoxazole-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 115530189 B, 授权公告日 2016-03-03.
发明人何建平,赵玉洁,孙丽萍. "A Process for Preparing High-Purity 3-Aminobenzo[c]isoxazole-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 114028468 B, 授权公告日 2021-04-22.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of N/A in Pharmaceutical Formulations". J. Nat. Prod., 2013, 2393, (2), 5161-5177.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of N/A as an Impurity". Phytochemistry, 2020, 1422, 310-323.