20446
In addition , in vivo experiment shows that one of the target compounds , X - 2 ( ED50 = 3 . 7 +/- 1 . 0 mu mol / kg ) possesses a more potent activity for inhibiting venous thrombosis than that of dabigatran etexilate ( ED50 = 7 . 8 +/- 1 . 5 mu mol / kg ) .
 Chemical: dabigatran etexilate
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: dabigatran etexilate