23948
Novel Pyridinone Derivatives As Non - Nucleoside Reverse Transcriptase Inhibitors ( NNRTIs ) with High Potency against NNRTI - Resistant HIV - 1 Strains .
 Chemical: Pyridinone; Chemical: Nucleoside
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; Chemical: Nucleoside