29841
In this contribution the synthesis and full structural as well as spectroscopic characterization of three 5 - ( 1 , 2 , 4 - triazol - 3 - yl ) tetrazoles along with selected energetic moieties like nitro , nitrimino , and azido groups are presented .
 5 - ( 1 , 2 , 4 - triazol - 3 - yl ) tetrazoles, nitro, nitrimino, azido
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
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Answer:
 5 - ( 1 , 2 , 4 - triazol - 3 - yl ) tetrazoles, nitro, nitrimino, azido