组成二萜基本碳架的碳原子数目是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30715' and id < 2474746 and id<>'2474746' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30715' and id > 2474746 and id<>'2474746' order by id asc limit 5