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. 2014 Dec 3;5:5574. doi: 10.1038/ncomms6574

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(a) Model of the 2+2 macrocycle 3₂·CB₂ (Com-D). (b) Model of the 4+6 capsule 4₄·CB₆ (Com-Tri). (c,d) Models of one adamantane-shaped unit and the 3D supramolecular organic framework (1_n·CB_2n, Com-Tetra).