发明人赵玉洁,马晓峰,杨光. "Method for the Synthesis of 4-Hydroxy Trimethoprim-d9" [P]. 中国发明专利, 专利号 CN 117309852 B, 授权公告日 2018-04-19.
Park J H, Fischer A B, Davis P L. "A Process for Preparing High-Purity 4-Hydroxy Trimethoprim-d9" [P]. US Patent, US 9809725 B2, 2015-02-20.
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