下列不属于钾通道阻滞药的是（  ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24971' and id < 2127388 and id<>'2127388' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24971' and id > 2127388 and id<>'2127388' order by id asc limit 5