ethyl 3-(5-formyl-2,4-dimethyl-1H-pyrrol-3-yl)propanoate
benzyl 3-(2-chloroethyl)-8,13-bis(2-methoxycarbonylethyl)-2,7,12,14-tetramethyl-5,16-dihydrotripyrrin-1-carboxylate hydrobromide
2,4-Diethyl-7-<2-(methoxycarbonyl)ethyl>-1,3,5,8-tetramethylporphyrin
mesoporphyrin IX DME
1,2,3,4,5,8-hexamethyl-6,7-bis<2-(methoxycarbonyl)ethyl>porphine