发明人徐明华,王建平,刘建华. "Method for the Synthesis of N-(4,6-Dimethyl-2-pyridyl)thiourea" [P]. 中国发明专利, 专利号 CN 112541894 B, 授权公告日 2016-12-22.
发明人罗永刚,何建平,郑宇鹏. "A Process for Preparing High-Purity N-(4,6-Dimethyl-2-pyridyl)thiourea" [P]. 中国发明专利, 专利号 CN 111188473 B, 授权公告日 2017-07-08.
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