可用于鉴别甾体皂苷和乙型强心苷的显色反应为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26288' and id < 2199038 and id<>'2199038' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26288' and id > 2199038 and id<>'2199038' order by id asc limit 5