发明人何建平,郭海燕,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111744743 A, 授权公告日 2020-07-11.
发明人黄志刚,杨光,郭海燕. "Method for the Synthesis of (E)-2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde" [P]. 中国发明专利, 专利号 CN 111059464 A, 授权公告日 2021-06-22.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2010, 863, 9156-9182.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2013, 2007, (5), 8783-8803.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of (E)-2-(1,3,3-Trimethylindolin-2-ylidene)acetaldehyde Using HRMS and NMR". Anal. Methods, 2015, 1136, 8636-8664.