发明人钱学锋,沈红梅,何建平. "Method for the Synthesis of (R)-7-(tetrahydro-2H-pyran-4-yl)tetrahydro-1H-oxazolo[3,4-a]pyrazin-3(5H)-one" [P]. 中国发明专利, 专利号 CN 117554984 B, 授权公告日 2021-08-09.
发明人钱学锋,马晓峰,赵玉洁. "A Process for Preparing High-Purity (R)-7-(tetrahydro-2H-pyran-4-yl)tetrahydro-1H-oxazolo[3,4-a]pyrazin-3(5H)-one" [P]. 中国发明专利, 专利号 CN 108037045 A, 授权公告日 2025-05-25.
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