A large cyclic molecule, often containing multiple repeating units (e.g., porphyrins).
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[ZnN4C20H6C(CN)2(C6H3(C(CH3)3)2)2]2
(1S,3S,5R)-3-(4-Methoxy-benzyloxy)-6,8-dioxa-bicyclo[3.2.1]octane
5,5’-methylene-bis-(3-methoxy-salicylaldehyde)
5-[ISOCYANO-(TOLUENE-4-SULFONYL)-METHYL]-BENZO[1,3]DIOXOLE
6A,6D-bis<2-(1,3-dioxolan-2-yl)phenylthio>cyclomaltoheptaose
3,4-di(2'-chloroethoxy)bromobenzene
5,11,17,23-tetrakis(1,1-dimethylethyl)-25,27-dihydroxycalix[4]arene-crown-6
acetic acid bis-(3-iodo-phenyl)-methyl ester
