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

benzyl 4-<(methoxycarbonyl)methyl>-3,5-dimethylpyrrole-2-carboxylate

2-<(benzyloxy)carbonyl>-3-(2-chloroethyl)-4-methylpyrrole-5-carboxylic acid

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

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