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
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: 3 - isopropyl, 3 - iodine 
Answer:
 Chemical: 3 - isopropyl; Chemical: 3 - iodine