22708
Synthesis and biological activities of some novel aminomethyl derivatives of 4 - substituted - 5 - ( 2 - thienyl ) - 2 , 4 - dihydro - 3H - 1 , 2 , 4 - triazole - 3 - thiones .
 Chemical: aminomethyl; Chemical: 4 - substituted - 5 - ( 2 - thienyl ) - 2 , 4 - dihydro - 3H - 1 , 2 , 4 - triazole - 3 - thiones
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: aminomethyl; Chemical: 4 - substituted - 5 - ( 2 - thienyl ) - 2 , 4 - dihydro - 3H - 1 , 2 , 4 - triazole - 3 - thiones