发明人朱建伟,高志强,郑宇鹏. "Method for the Synthesis of 2-(3-Cyanocyclobutylidene)acetic acid" [P]. 中国发明专利, 专利号 CN 116443596 B, 授权公告日 2017-10-01.
发明人韩伟,张德明,马晓峰. "A Process for Preparing High-Purity 2-(3-Cyanocyclobutylidene)acetic acid" [P]. 中国发明专利, 专利号 CN 116335451 B, 授权公告日 2021-12-05.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2013, 1165, 164-171.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2010, 1274, 6114-6123.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-(3-Cyanocyclobutylidene)acetic acid Using HRMS and NMR". Anal. Chim. Acta, 2011, 924, 5093-5119.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2014, 137, (12), 7668-7679.