发明人周伟,韩伟,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116095753 A, 授权公告日 2023-11-19.
发明人郑宇鹏,罗永刚,冯建国. "Method for the Synthesis of 3-Isopropyl-1,4-dihydro-5H-pyrazolo[4,3-d]pyrimidine-5,7(6H)-dione" [P]. 中国发明专利, 专利号 CN 109268068 B, 授权公告日 2017-03-17.
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