13,15-(15'-hydroxy)-ethano-3,8,17-triethyl-2,7,12,18-tetramethylporphyrin

((1Z,4Z,9Z,15Z)-7,17-Diethyl-12-hydrazinocarbonylmethyl-3,8,13,18-tetramethyl-porphyrin-2-yl)-acetic acid hydrazide

[(1Z,4Z,9Z,15Z)-7,17-Diethyl-3,8,13,18-tetramethyl-12-(4-nitro-phenoxycarbonylmethyl)-porphyrin-2-yl]-acetic acid 4-nitro-phenyl ester

((1Z,5Z,9Z,14Z)-12-Carboxymethyl-7,17-diethyl-3,8,13,18-tetramethyl-22,24-dihydro-porphin-2-yl)-acetic acid