5,15-di(2,3-benzo-1,4,7,10,13-pentaoxa-2-cyclopentadecen-4'-yl)-10,20-di(4-pyridyl)porphyrin

5,10-di(2,3-benzo-1,4,7,10,13-pentaoxa-2-cyclopentadecen-4'-yl)-15,20-di(4-pyridyl)porphyrin

5,10,15-tri(4-pyridyl)-20-nonylporphyrin

5,10-di(4-pyridyl)-15,20-dinonylporphyrin

5-(4-pyridyl)-10,15,20-trinonylporphyrin