3505
In the present study , the effects of three alkylxanthines with different potencies as adenosine antagonists 8 - phenyltheophylline , theophylline and enprofylline , were examined in rats developing acute renal failure after 4 daily injections of gentamicin ( 200 mg kg - 1 ) .
 Chemical: alkylxanthines; Chemical: adenosine; Chemical: 8 - phenyltheophylline; Chemical: theophylline; Chemical: enprofylline; Disease: acute renal failure; Chemical: gentamicin
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: alkylxanthines; Chemical: adenosine; Chemical: 8 - phenyltheophylline; Chemical: theophylline; Chemical: enprofylline; Disease: acute renal failure; Chemical: gentamicin