发明人胡光,孙丽萍,赵玉洁. "Method for the Synthesis of tert-Butyl (R)-9-oxooctahydro-2H-pyrazino[1,2-a]pyrazine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 112825913 A, 授权公告日 2025-01-25.
发明人郭海燕,钱学锋,沈红梅. "A Process for Preparing High-Purity tert-Butyl (R)-9-oxooctahydro-2H-pyrazino[1,2-a]pyrazine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111568097 B, 授权公告日 2016-03-11.
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