15026
Compounds 2a - c , 4f and 5a exhibited potent cytotoxicity ( IC ( 50 ) 1 . 3 - 2 . 0 micro M ) and selectivity against HT29 cancer cell line .
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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:
 None