24092
Induction of G2 / M arrest , caspase activation and apoptosis by alpha - santonin derivatives in HL - 60 cells .
 Chemical: alpha - santonin
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: alpha - santonin