发明人李文辉,刘建华,胡光. "Method for the Synthesis of Methyl 5-ethyl-7-(3-hydroxyphenyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 117398490 A, 授权公告日 2021-06-05.
Patel M V, Park J H, Hughes D C. "A Process for Preparing High-Purity Methyl 5-ethyl-7-(3-hydroxyphenyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate" [P]. US Patent, US 9681137 B2, 2016-09-13.
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