苷类分子量的测定常采用质谱法，其中最适合的方法为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26291' and id < 2199420 and id<>'2199420' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26291' and id > 2199420 and id<>'2199420' order by id asc limit 5