“…Owing to the acid nature of NTO (pK a = 3.67 [1]), it can form salts of aromatic and aliphatic amines [2][3][4][5][6][7] besides metal salts [8][9][10][11][12][13][14][15][16][17][18][19]. Azetidine-based explosives, such as 1,3,3-trinitroazetidine (TNAZ) [20,21] demonstrate excellent performance partly because of the high strain associated with the four-membered ring.…”