13434
Unlike previously reported ketolide 1a , none of them is comparable to telithromycin .
 Chemical: ketolide; Chemical: telithromycin
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: ketolide; Chemical: telithromycin