发明人何建平,王建平,沈红梅. "Method for the Synthesis of 6-(Butylsulfonyl)-7H-purine" [P]. 中国发明专利, 专利号 CN 113440050 B, 授权公告日 2025-05-10.
发明人杨光,周伟,唐晓军. "A Process for Preparing High-Purity 6-(Butylsulfonyl)-7H-purine" [P]. 中国发明专利, 专利号 CN 111584253 B, 授权公告日 2025-03-13.
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