发明人张德明,唐晓军,马晓峰. "Method for the Synthesis of 3-Ethyl-N-isobutyl-1,2,4-oxadiazol-5-amine" [P]. 中国发明专利, 专利号 CN 112795868 A, 授权公告日 2025-03-16.
Schröder R, Johnson M A, Roberts E F. "A Process for Preparing High-Purity 3-Ethyl-N-isobutyl-1,2,4-oxadiazol-5-amine" [P]. US Patent, US 10682141 B2, 2015-11-26.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2021, 936, 4215-4222.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2020, 196, 9093-9103.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 3-Ethyl-N-isobutyl-1,2,4-oxadiazol-5-amine Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2024, 716, 372-391.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2018, 928, (10), 6813-6819.