N-(4-amino-7-nitrobenzaoxa-1,3-diazole)-substituted aza crown ethers: complexation with alkali, alkaline earth metal ions and ammonium.
Mateeva NN, Deiab SD, Archibong EE, Jackson M, Mochona B, Gangapuram M, Redda KK. N-(4-amino-7-nitrobenzaoxa-1,3-diazole)-substituted aza crown ethers: complexation with alkali, alkaline earth metal ions and ammonium. J Incl Phenom Macrocycl Chem. 2010 May 07; 68(3-4):305-312.