16713
Furthermore , our data suggest that the induction of Nrf2 by iberverin , iberin and cheirolin may have occurred via an extracellular signal - related kinase ( ERK ) - dependent signal - transduction pathway .
 Chemical: iberverin; Chemical: iberin; Chemical: cheirolin
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: iberverin; Chemical: iberin; Chemical: cheirolin