30384
The CB1 antagonist , AM281 , but not the CB2 antagonist , AM630 , ablated URB597 - mediated RGC neuroprotection .
 Chemical: AM281; Chemical: AM630; Chemical: URB597
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: AM281; Chemical: AM630; Chemical: URB597