26093
Apoptosis induction for compounds 4 and 13 was further confirmed by caspase - 3 - like activity assays , which showed respectively ~ 2 - and 1 . 5 - fold increases in caspase - 3 - like activity compared to vehicle control .
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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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