TY  - RPRT
TI  - Macrocyclic polyethers and their complexes.
AU  - C J Pedersen
AU  - H K Frensdorff
PY  - 1972
DO  - 10.1002/anie.197200161
UR  - https://pubmed.ncbi.nlm.nih.gov/4622977/
ID  - 4622977
ER  -