下列药物中，镇痛作用最强的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25196' and id < 2136241 and id<>'2136241' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25196' and id > 2136241 and id<>'2136241' order by id asc limit 5