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(a) Assembly of tetrahedral Ti4L6 cage 62, the vertices of which bound CoII or LnIII ions. (b) X-ray structures of the ΔΔΔΔ and ΛΛΛΛ enantiomers of 62. Inset: photo of cage crystals in DMF/H2O solution. Adapted with permission from ref (97). Copyright 2017 American Chemical Society.
