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Corrinoids are a group of compounds based on the skeleton of corrin, a cyclic system containing four pyrrole rings similar to porphyrins.〔 electronic-book ISBN 978-94-007-5561-1 electronic- 〕 These include compounds based on octadehydrocorrin, which has the trivial name corrole.〔(【引用サイトリンク】title=The Nomenclature of Corrinoids: Recommendations 1975 )〕 The cobalamins (vitamin B12) are the best known members of the group. Other prominent examples include cobyrinic acid and its hexaamide cobyric acid; cobinic acid and its hexaamide cobinamide; cobamic acid and cobamide. Compounds containing the "Cob-" prefix (''not'' corrin) are cobalt derivatives, and may include an oxidation state, as in "Cob(II)alamin". When cobalt is replaced by another metal or hydrogen, the name changes accordingly, as in ferrobamic acid or hydrogenobamic acid. ==References== 〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Corrinoid」の詳細全文を読む スポンサード リンク
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