关于青霉素类抗生素的构效关系，说法错误的是（  ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24972' and id < 2127426 and id<>'2127426' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24972' and id > 2127426 and id<>'2127426' order by id asc limit 5