dibenzyl 3,4'-bis(2-acetoxyethyl)-4,3'-dimethylpyrromethane-5,5'-dicarboxylate

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

γ-benzyloxyprotopophyrin IX dimethyl ester

dibenzyl 3,4'-bis(2-hydroxyethyl)-4,3'-dimethylpyrromethane-5,5'-di-carboxylate

benzyl 5-acetoxymethyl-3-(methoxycarbonylmethyl)-4-methylpyrrole-2-carboxylate