26995
Driven by a multidisciplinary approach combination ( Structure - Based ( SB ) Three - Dimensional Quantitative Structure - Activity Relationships ( 3 - D QSAR ) , molecular modeling , organic chemistry and various biological evaluations ) here is reported the disclosure of new thienopyrimidines 1 - 3 as inhibitors of KDR activity and human umbilical vein endothelial cell ( HUVEC ) proliferation .
 Chemical: thienopyrimidines
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: thienopyrimidines