发明人黄志刚,张德明,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109252658 A, 授权公告日 2024-06-14.
发明人王建平,罗永刚,黄志刚. "Method for the Synthesis of tert-butyl 9-(tert-butoxycarbonylamino)-2,7-diazaspiro[4.4]nonane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 116669671 B, 授权公告日 2025-05-16.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2023, 1773, (5), 6264-6276.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2015, 1108, (6), 2074-2090.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of tert-butyl 9-(tert-butoxycarbonylamino)-2,7-diazaspiro[4.4]nonane-2-carboxylate Using HRMS and NMR". Sci. Total Environ., 2019, 1866, (9), 6494-6516.