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...rus oxychloride/ja|オキシ塩化リン]]を用いて塩化誘導体に変換し、続いて[[ammonia/ja|アンモニア]]で処理した。次に[[ethoxy/ja|エトキシ]]基を[[hydrobromic acid/ja|臭化水素酸]]を用いてブロモ誘導体に変換した。最終段階では、4-メチル-5-（2-ヒ [[Category:Quaternary ammonium compounds]] ...

...ed cumin are the [[Substitution (chemistry)|substituted]] [[pyrazine]]s, 2-ethoxy-3-isopropylpyrazine, {{chem name|2-methoxy-3-''sec''-butylpyrazine}}, and 2 ...

...ed cumin are the [[Substitution (chemistry)|substituted]] [[pyrazine]]s, 2-ethoxy-3-isopropylpyrazine, {{chem name|2-methoxy-3-''sec''-butylpyrazine}}, and 2 ...

...[[phosphorus oxychloride]], followed by treatment with [[ammonia]]. The [[ethoxy]] group was then converted to a bromo derivative using [[hydrobromic acid]] [[Category:Quaternary ammonium compounds]] ...

...[[phosphorus oxychloride]], followed by treatment with [[ammonia]]. The [[ethoxy]] group was then converted to a bromo derivative using [[hydrobromic acid]] [[Category:Quaternary ammonium compounds]] ...