盐酸吗啡注射液放置过久，颜色会变深，是由于发生了

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30369' and id < 2454734 and id<>'2454734' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30369' and id > 2454734 and id<>'2454734' order by id asc limit 5