13681
In this study , the reductive enzymatic activation of upamostat to its corresponding amidine WX - UK1 was analyzed .
 Chemical: upamostat; Chemical: WX - UK1
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: upamostat; Chemical: WX - UK1