发明人郑宇鹏,朱建伟,钱学锋. "Method for the Synthesis of Ethyl 1-cyclopentyl-3-nitro-1h-pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 116666810 B, 授权公告日 2020-08-20.
发明人钱学锋,刘建华,唐晓军. "A Process for Preparing High-Purity Ethyl 1-cyclopentyl-3-nitro-1h-pyrazole-5-carboxylate" [P]. 中国发明专利, 专利号 CN 114399236 A, 授权公告日 2020-09-02.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2017, 1640, (3), 8462-8482.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2024, 1267, (3), 6777-6793.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-cyclopentyl-3-nitro-1h-pyrazole-5-carboxylate Using HRMS and NMR". Chemosphere, 2018, 1546, (12), 1159-1174.