17676
A new inhibitor of VEGF receptor tyrosine kinases , vegfrecine ( 1 ) , was isolated from the culture broth of Streptomyces sp .
 Chemical: tyrosine; Chemical: vegfrecine
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: tyrosine; Chemical: vegfrecine