25394
Ts . Cr , Ts . Hex , Ts . CHCl3 and Ts . EtAc showed significant bactericidal activity against Escherichia coli , Staphylococcus aureus , Salmonella typhi , Shigella flexneri and Bacillus subtilis at their extent .
 Chemical: Hex; Chemical: CHCl3; Chemical: EtAc
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: Hex; Chemical: CHCl3; Chemical: EtAc