20832
The supercritical CO2 extracts from leaves and stems , and compound ( 4 ) showed activity against M . tuberculosis ( MIC 15 . 6 mu g / ml ) .
 Chemical: CO2
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: CO2