9150
Current knowledge on the roles of the SFN precursor glucoraphanin ( GRA ) on these processes is limited .
 Chemical: SFN; Chemical: glucoraphanin; Chemical: GRA
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: SFN; Chemical: glucoraphanin; Chemical: GRA