发明人胡光,郭海燕,钱学锋. "Method for the Synthesis of 5,7-Dimethyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115757804 A, 授权公告日 2016-11-08.
发明人杨光,郭海燕,何建平. "A Process for Preparing High-Purity 5,7-Dimethyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108204169 A, 授权公告日 2017-02-09.
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