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The most noteworthy synergistic ( Sigma FIC value 0 . 07 ) 1 : 1 combinations were observed for the chloroform : methanol extracts of Agathosma crenulata mixed with Eucalyptus globulus against Klebsiella pneumoniae , Staphylococcus aureus and Bacillus subtilis .
 Chemical: chloroform; Chemical: methanol
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: chloroform; Chemical: methanol