Thompson G K, Brown S R, O'Brien P Q. "Method for the Synthesis of 4,4-Dimethyl-5-propoxy-1-(p-tolyl)pyrazolidin-3-one" [P]. US Patent, US 9755234 B2, 2020-02-01.
发明人张德明,高志强,唐晓军. "A Process for Preparing High-Purity 4,4-Dimethyl-5-propoxy-1-(p-tolyl)pyrazolidin-3-one" [P]. 中国发明专利, 专利号 CN 115246283 A, 授权公告日 2019-11-01.
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". Talanta, 2015, 251, (9), 7817-7839.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2025, 1626, (12), 7590-7593.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4,4-Dimethyl-5-propoxy-1-(p-tolyl)pyrazolidin-3-one Using HRMS and NMR". Sci. Total Environ., 2017, 438, 4391-4399.