发明人郭海燕,周伟,马晓峰. "Method for the Synthesis of rac-(2R,5S)-5-[(6-amino-9H-purin-9-yl)methyl]oxolane-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111750561 B, 授权公告日 2019-01-23.
发明人杨光,徐明华,孙丽萍. "A Process for Preparing High-Purity rac-(2R,5S)-5-[(6-amino-9H-purin-9-yl)methyl]oxolane-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110039486 A, 授权公告日 2022-12-15.
参考文献 Literature
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