8581
The combinations AZT + ddI and AZT + 3TC were shown to induce recombination rates ranging from 86 . 38 % to 98 . 36 % while AZT + d4T showed a large discrepancy between recombination and mutation percentages .
 Chemical: AZT; Chemical: ddI; Chemical: AZT; Chemical: 3TC; Chemical: AZT; Chemical: d4T
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: AZT; Chemical: ddI; Chemical: AZT; Chemical: 3TC; Chemical: AZT; Chemical: d4T