在Sephadex-LH-20柱层析中，甲醇-水为洗脱剂，最后被洗脱下来的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26288' and id < 2199002 and id<>'2199002' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26288' and id > 2199002 and id<>'2199002' order by id asc limit 5