15382
Coumarin anticoagulants , which include warfarin , acenocoumarol and phenprocoumon , are among the most widely prescribed drugs worldwide .
 Chemical: Coumarin; Chemical: warfarin; Chemical: acenocoumarol; Chemical: phenprocoumon
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: Coumarin; Chemical: warfarin; Chemical: acenocoumarol; Chemical: phenprocoumon