Fischer A B, Hughes D C, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 9638833 B2, 2023-07-26.
发明人张德明,林芳,马晓峰. "Method for the Synthesis of 2-((2-Amino-9-isobutyl-9H-purin-6-yl)thio)acetic acid" [P]. 中国发明专利, 专利号 CN 113321996 B, 授权公告日 2025-09-20.
O'Brien P Q, Klinger H, Patel M V. "A Process for Preparing High-Purity 2-((2-Amino-9-isobutyl-9H-purin-6-yl)thio)acetic acid" [P]. US Patent, US 11197398 B2, 2020-04-27.
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