25809
In the present study , the compounds of M . laevigata extracts were characterized by High Resolution Mass Spectrometry ( HRMS ) and Gas Chromatography with Mass analysis ( GC / MS - EI ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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