5'-(tert-butoxycarbonyl)-3-(2-chloroethyl)-4'-(2-methoxycarbonylethyl)-3',4-dimethyl-2,2'-dipyrrylmethane-5-carboxylic acid

[5,5'-diformyl-4,4'-dimethyl-3,3'-bis[2-(methoxycarbonyl)ethyl]-2,2'-dipyrryl]methane

tert-butyl 5'-(benzyloxycarbonyl)-3'-(2-chloroethyl)-4-(2-methoxycarbonylethyl)-3,4'-dimethyl-2,2'-dipyrrylmethane-5-carboxylate

血卟啉

3-[8,13-diacetyl-18-(2-carboxyethyl)-3,7,12,17-tetramethyl-22,23-dihydroporphyrin-2-yl]propanoic acid