30391
These data demonstrate that URB597 - mediated retinal neuroprotective effects are mediated primarily through CB1 receptors and that URB597 neuroprotective efficacy declines with age .
 Chemical: URB597; Chemical: retinal; 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: URB597; Chemical: retinal; Chemical: URB597