23948
Novel Pyridinone Derivatives As Non - Nucleoside Reverse Transcriptase Inhibitors ( NNRTIs ) with High Potency against NNRTI - Resistant HIV - 1 Strains .
 Chemical: Pyridinone; Chemical: Nucleoside
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: Pyridinone, Nucleoside 
Answer:
 Chemical: Pyridinone; Chemical: Nucleoside