title: Cyclophane porphyrin.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D003300:Copper; D003500:Cyclization; D006571:Heterocyclic Compounds; D008722:Methods; D011166:Porphyrins / Q000138:chemical synthesis*
chemical_list: D006571:Heterocyclic Compounds; D011166:Porphyrins; D003300:Copper