23681
This study was designed to assess the efficacy of seselin derivatives against murine pulmonary thromboembolism , bleeding time , platelet activation and thrombosis .
 Chemical: seselin
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: seselin 
Answer:
 Chemical: seselin