Mueller T, Fischer A B, Davis P L. "Method for the Synthesis of Ethyl 5-methyl-7-oxo-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxylate" [P]. US Patent, US 11390721 B2, 2025-08-01.
发明人刘建华,何建平,林芳. "A Process for Preparing High-Purity Ethyl 5-methyl-7-oxo-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 116946687 A, 授权公告日 2019-05-02.
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