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Chemical structures of the budadiyne-linked zinc porphyrin nanoring assemblies under investigation: (a) c-P10, (b) c-P10·(T5)2, (c) c-P10·(T6)2, (d) c-P12, (e) c-P12·(T6)2, and (f) c-P12·(T8)2. Templates are indicated in blue, and zinc atoms are denoted in red. All compounds have octyloxy side chains (Ar) which are omitted in the graphic for clarity.
