12468
Pyrrolopyrazines as Selective Spleen Tyrosine Kinase Inhibitors .
 Chemical: Pyrrolopyrazines; 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: Pyrrolopyrazines; Chemical: Tyrosine