25513
Our data show that EVn - 50 , lignan compounds extracted from Vitex negundo , possesses a broad spectrum cytotoxic effect via arresting cancer cells at G2 / M phase cell cycle and subsequently inducing apoptosis .
 Chemical: EVn - 50; Chemical: lignan
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: EVn - 50; Chemical: lignan