Structure of a chiral macrobicyclic crown ether, 1,4:1′,4′:3,6:3′,6′ – tetra – anhydro – 2,2′:5,5′ – O – [2,2′ – (3,6 – di – oxaoctane – 1,8 – diyldioxy)bis – 1,3 – phenylene – tetrakis – (methylene)di – D-mannitol
Structure of a chiral macrobicyclic crown ether, 1,4:1′,4′:3,6:3′,6′ – tetra – anhydro – 2,2′:5,5′ – O – [2,2′ – (3,6 – di – oxaoctane – 1,8 – diyldioxy)bis – 1,3 – phenylene – tetrakis – (methylene)di – D-mannitol, (T. H. Crawshaw, J. F. Stoddart, and D. J. Williams), Acta Crystallogr. C. 1986, 42, 908-911.