下列（ ）不是由己糖单位组成。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29807' and id < 2419227 and id<>'2419227' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29807' and id > 2419227 and id<>'2419227' order by id asc limit 5