Dibenzyl 3,4'-Bis(2-chloroethyl)-1,3',4-trimethyldipyrromethane-5,5'-dicarboxylate

benzyl 4-(2-acetoxy-1,1-dideuterioethyl)-3,5-dimethylpyrrole-2-carboxylate

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

5-methoxy-3-methyl-7-oxo-1,7-dihydro-pyrano[3,4-b]pyrrole-2-carboxylic acid benzyl ester