发明人李文辉,王建平,孙丽萍. "Method for the Synthesis of Ethyl 5-(2-methylphenyl)-1,3,4-thiadiazole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111689144 B, 授权公告日 2019-12-20.
发明人周伟,胡光,孙丽萍. "A Process for Preparing High-Purity Ethyl 5-(2-methylphenyl)-1,3,4-thiadiazole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111505226 B, 授权公告日 2018-03-19.
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