23390
The present study investigated the effects of rilpivirine and etravirine on the activity of human PXR ( hPXR ) , including the mode of activation , and compared them to those of efavirenz , nevirapine , and delavirdine , which are first generation non - nucleoside reverse transcriptase inhibitors .
 Chemical: rilpivirine; Chemical: etravirine; Chemical: efavirenz; Chemical: nevirapine; Chemical: delavirdine; 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: rilpivirine; Chemical: etravirine; Chemical: efavirenz; Chemical: nevirapine; Chemical: delavirdine; Chemical: nucleoside