2075
Third group received BCNU ( 20 mg / kg , i . v , once ) 24 h after injection with normal saline ( i . c . v ) .
 Chemical: BCNU
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: BCNU