23954
The results suggest that these novel pyridinone derivatives have the potential to be further developed as new antiretroviral drugs with improved antiviral efficacy and drug resistance profile .
 Chemical: pyridinone
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: pyridinone