发明人郭海燕,孙丽萍,刘建华. "Method for the Synthesis of 7-Hydroxy-2-isopropyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one" [P]. 中国发明专利, 专利号 CN 110713885 B, 授权公告日 2016-06-23.
发明人钱学锋,唐晓军,何建平. "A Process for Preparing High-Purity 7-Hydroxy-2-isopropyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one" [P]. 中国发明专利, 专利号 CN 113464551 A, 授权公告日 2016-06-12.
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