在下列各种外毒素中，属于神经毒素的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30851' and id < 2484750 and id<>'2484750' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30851' and id > 2484750 and id<>'2484750' order by id asc limit 5