维生素B6在体内的活性形式是（    ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27513' and id < 2271588 and id<>'2271588' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27513' and id > 2271588 and id<>'2271588' order by id asc limit 5