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. 2021 May 10;12(21):7269–7293. doi: 10.1039/d1sc01226f

Fig. 2. Schematic illustration of the four strategies for achieving heteroleptic cages in a non-statistical fashion: (a) coordination sphere engineering (CSE), (b) shape complementary assembly (SCA), (c) assembly from non-symmetric ligands and (d) backbone-centred steric hindrance.

Fig. 2