Johnson M A, Roberts E F, Thompson G K. "一种6-AMINO-5-CYANO-3-DIMETHOXYMETHYL-1-OXY-PYRAZINE-2-CARBOXYLIC ACID TERT-BUTYL ESTER的合成方法" [P]. US Patent, US 11863802 B2, 2022-03-10.
发明人王建平,张德明,周伟. "Method for the Synthesis of 6-AMINO-5-CYANO-3-DIMETHOXYMETHYL-1-OXY-PYRAZINE-2-CARBOXYLIC ACID TERT-BUTYL ESTER" [P]. 中国发明专利, 专利号 CN 117742869 B, 授权公告日 2020-07-13.
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