8582
The combination index demonstrated that 3TC and d4T produced antagonism while ddI showed synergistic effects in combination with AZT .
 Chemical: 3TC; Chemical: d4T; Chemical: ddI; Chemical: AZT
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: 3TC; Chemical: d4T; Chemical: ddI; Chemical: AZT