在紫外线照射下可转变为维生素D2的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30439' and id < 2459425 and id<>'2459425' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30439' and id > 2459425 and id<>'2459425' order by id asc limit 5