4470
Crizotinib ( Xalkori ) is an orally available potent inhibitor of multiple tyrosine kinases , including anaplastic lymphoma kinase and mesenchymal - epithelial transition factor .
 Chemical: Crizotinib; Chemical: Xalkori; Chemical: tyrosine
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: Crizotinib; Chemical: Xalkori; Chemical: tyrosine