5,10,15,20-tetrakis(3,5-ditert-butylphenyl)-21,22-dihydroporphyrin

2-(4-(5,15,20-tris(3,5-di-tert-butylphenyl)porphyrin-10-yl)phenyl)-9-(4-(10,15,20-tris(3,5-di-tert-butylphenyl)porphyrin-5-yl)phenyl)-1,10-phenanthroline

5-(4-cyanophenyl)-10,15,20-tris(3,5-di-tert-butylphenyl)porphyrin

5,10,15-tris(3,5-di-tert-butylphenyl)-20-(4-(9-(4-(10,15,20-tri-p-tolylporphyrin-5-yl)phenyl)-1,10-phenanthrolin-2-yl)phenyl)porphyrin

ethyl 4-oxo-4-(1H-pyrrol-2-yl)butanoate