23950
Most of the compounds , especially 26 and 22 , bearing a 3 - isopropyl and 3 - iodine group , respectively , exhibited highly potent activity against wild - type HIV - 1 strains and those resistant to reverse transcriptase inhibitors ( RTIs ) .
 Chemical: 3 - isopropyl; Chemical: 3 - iodine
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: 3 - isopropyl; Chemical: 3 - iodine