发明人林芳,沈红梅,杨光. "Method for the Synthesis of 1'-(Tert-butoxycarbonyl)spiro[cyclohexane-1,3'-indoline]-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111887644 B, 授权公告日 2017-07-28.
发明人林芳,刘建华,钱学锋. "A Process for Preparing High-Purity 1'-(Tert-butoxycarbonyl)spiro[cyclohexane-1,3'-indoline]-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111429084 A, 授权公告日 2021-11-16.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2025, 1942, 1647-1652.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2017, 627, (4), 7885-7905.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 1'-(Tert-butoxycarbonyl)spiro[cyclohexane-1,3'-indoline]-4-carboxylic acid Using HRMS and NMR". Talanta, 2014, 306, (3), 9539-9546.