8269
We have used DSF to demonstrate that the binding of these compounds is independent of the presence or absence of the C - terminal tail region of CDK9 , unlike the binding of the CDK9 - selective inhibitor 5 , 6 - dichlorobenzimidazone - 1 - beta - d - ribofuranoside ( DRB ) .
 Chemical: C; Chemical: 5 , 6 - dichlorobenzimidazone - 1 - beta - d - ribofuranoside; Chemical: DRB
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: C; Chemical: 5 , 6 - dichlorobenzimidazone - 1 - beta - d - ribofuranoside; Chemical: DRB