3,4'-bis-(2-hydroxyethyl)-3',4-dimethylpyrromethane

2,4-bis-(2-chloroethyl)-6,7-bis-(2-methoxycarbonylethyl)-1,3,5,8-tetramethyl-γ-mesyloxyporphyrin

4-Ethyl-5-[1-(4-methoxycarbonylmethyl-3,5-dimethyl-1H-pyrrol-2-yl)-meth-(Z)-ylidene]-3-methyl-5H-pyrrole-2-carboxylic acid; hydrobromide