26994
Design , synthesis and biological evaluation of new classes of thieno [ 3 , 2 - d ] pyrimidinone and thieno [ 1 , 2 , 3 ] triazine as inhibitor of vascular endothelial growth factor receptor - 2 ( VEGFR - 2 ) .
 Chemical: thieno [ 3 , 2 - d ] pyrimidinone; Chemical: thieno [ 1 , 2 , 3 ] triazine
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: thieno [ 3 , 2 - d ] pyrimidinone; Chemical: thieno [ 1 , 2 , 3 ] triazine