注射剂中使用的金属离子络合剂是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30799' and id < 2480501 and id<>'2480501' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30799' and id > 2480501 and id<>'2480501' order by id asc limit 5