t-butyl 3,3'-dimethyl-4-ethyl-4'-(methoxycarbonylmethyl)-5'-formyldipyrrylmethane-5-carboxylate

3,3'-(3,7,12,17-tetramethyl-1,19-dioxo-8,13-divinyl-1,19,22,24-tetrahydro-21H-biline-2,18-diyl)-bis-propionic acid dimethyl ester

3-[(5Z,10Z,14Z)-18-(2-Methoxycarbonyl-ethyl)-3,8,13,17-tetramethyl-20-oxo-7,12-divinyl-20,21,23,24-tetrahydro-porphin-2-yl]-propionic acid methyl ester

Benzoic acid (5E,10Z,14Z,19Z)-13,18-bis-(2-hydroxy-ethyl)-3,7-bis-(2-methoxycarbonyl-ethyl)-2,8,12,17-tetramethyl-porphyrin-5-yl ester