6,7-Bis(2-methoxycarbonylethyl)-1,3,5,8,Nc-pentamethyl-2,4-divinylporphyrin

3-(2-chloroethyl)-2-((4-(2-chloroethyl)-3-methyl-1H-pyrrol-2-yl)methyl)-4-methyl-1H-pyrrole

5-[5-Carboxy-3-(2-chloro-ethyl)-4-methyl-1H-pyrrol-2-ylmethyl]-3-(2-chloro-ethyl)-1,4-dimethyl-1H-pyrrole-2-carboxylic acid tert-butyl ester

Benzyl 5'-tert-Butoxycarbonyl-3,4'-bis(2-chloroethyl)-1',3',4-trimethyldipyrromethane-5-carboxylate

2,4-Bis(2-chloroethyl)-6,7-bis(2-methoxycarbonylethyl)-1,3,5,8,Nb-pentamethylporphyrin