4539
2 - Amino - 4 - arylthiazole compounds as TRPA1 antagonists ( WO 2012085662 ) : a patent evaluation .
 Chemical: 2 - Amino - 4 - arylthiazole
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: 2 - Amino - 4 - arylthiazole