Nc-Methyl-2,4-bis(2-hydroxyethyl)-6,7-bis(2-methoxycarbonylethyl)-1,3,5,8-tetramethylporphyrin

tert-Butyl 5-Iodo-3-(2-methoxycarbonylethyl)-1,4-dimethylpyrrole-2-carboxylate

3-(2-Methoxycarbonyl-ethyl)-1,4-dimethyl-1H-pyrrole-2,5-dicarboxylic acid 2-tert-butyl ester

Benzyl 4-(2-Methoxycarbonylethyl)-1,3,5-trimethylpyrrole-2-carboxylate

Benzyl 5-tert-Butoxycarbonyl-4-(2-chloroethyl)-1,3-dimethylpyrrole-2-carboxylate