发明人孙丽萍,韩伟,胡光. "一种酮咯酸杂质69的合成方法" [P]. 中国发明专利, 专利号 CN 110811555 A, 授权公告日 2017-03-09.
Klinger H, Schröder R, Johnson M A. "Method for the Synthesis of Ketorolac impurity 69" [P]. US Patent, US 10528392 B2, 2017-01-01.
发明人王建平,刘建华,罗永刚. "A Process for Preparing High-Purity Ketorolac impurity 69" [P]. 中国发明专利, 专利号 CN 112276195 A, 授权公告日 2017-02-04.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 酮咯酸杂质69 in Pharmaceutical Formulations". J. Agric. Food Chem., 2016, 2443, 8118-8133.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 酮咯酸杂质69 as an Impurity". Sci. Total Environ., 2012, 1497, (5), 9964-9994.