26176
( 22 ) To develop more advanced ROCK inhibitors targeting various potential applications ( such as myocardial infarction , erectile dysfunction , multiple sclerosis , etc . ) in addition to glaucoma , a thorough SAR for this urea - based scaffold was studied .
 urea
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 urea