19929
Compounds 25 , 28 , 33 , 35 and 36 showed broad spectrum antimicrobial activity comparable to the known antibiotic gentamicin .
 Chemical: gentamicin
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: gentamicin