发明人刘建华,孙丽萍,杨光. "Method for the Synthesis of Ethyl 5-(3-methoxyphenyl)-1,3,4-thiadiazole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 109148847 B, 授权公告日 2025-05-03.
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