3,8-diethyl-8,12-di(methoxycarbonylmethyl)-2,7,13,17-tetramethyl-1,19-bilindione

3-Ethyl-5-(4-methoxycarbonylmethyl-3-methyl-1H-pyrrol-2-ylmethyl)-4-methyl-1H-pyrrole-2-carboxylic acid tert-butyl ester

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

dibenzyl 3-ethoxycarbonylmethyl-4'-methoxycarbonylmethyl-4,3'-dimethylpyrromethane-5,5'-dicarboxylate