@misc{indiciae4995f074458d, title = {Ammonium ion binding with pyridine-containing crown ethers.}, author = {T Chang and A M Heiss and S J Cantrill and M C Fyfe and A R Pease and S J Rowan and J F Stoddart and A J White and D J Williams}, year = {2000}, doi = {10.1021/ol0061889}, url = {https://pubmed.ncbi.nlm.nih.gov/10986079/}, note = {Source identifier: 10986079} }