23408
THBDC - DHPM demonstrated the most potent inhibitory activity with an IC50 value of 1 . 34 +/- 0 . 03 mu M which was more active than the approved drug galanthamine ( IC50 = 1 . 45 +/- 0 . 04 mu M ) .
 Chemical: THBDC - DHPM; Chemical: galanthamine
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: THBDC - DHPM; Chemical: galanthamine