14951
They strongly exhibited the activity of NA in the low nanomolar range such as phosphonate congeners of zanamivir and oseltarmivir .
 Chemical: phosphonate; Chemical: zanamivir; Chemical: oseltarmivir
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: phosphonate; Chemical: zanamivir; Chemical: oseltarmivir