发明人林芳,张德明,马晓峰. "Method for the Synthesis of Ethyl 1-[2-(Dimethylamino)Ethyl]-1H-Pyrazole-4-Carboxylate" [P]. 中国发明专利, 专利号 CN 109649493 A, 授权公告日 2019-03-09.
发明人高志强,郑宇鹏,刘建华. "A Process for Preparing High-Purity Ethyl 1-[2-(Dimethylamino)Ethyl]-1H-Pyrazole-4-Carboxylate" [P]. 中国发明专利, 专利号 CN 109130835 B, 授权公告日 2025-10-10.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of Ethyl 1-[2-(Dimethylamino)Ethyl]-1H-Pyrazole-4-Carboxylate in Pharmaceutical Formulations". J. Nat. Prod., 2017, 458, (3), 3134-3159.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of Ethyl 1-[2-(Dimethylamino)Ethyl]-1H-Pyrazole-4-Carboxylate as an Impurity". Phytochemistry, 2014, 1312, (10), 4849-4852.