20022
Synthesis and selected immunological properties of substituted quino [ 3 , 2 - b ] benzo [ 1 , 4 ] thiazines .
 Chemical: quino [ 3 , 2 - b ] benzo [ 1 , 4 ] thiazines
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: quino [ 3 , 2 - b ] benzo [ 1 , 4 ] thiazines