既能阻断a受体，又能阻断(3受体的药物是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30852' and id < 2484833 and id<>'2484833' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30852' and id > 2484833 and id<>'2484833' order by id asc limit 5