N-[2-(2,2,5,5-tetramethyl-3-pyrroline-3-carbonyl)-aminoethyl]-phthalimide
N-{2-[(2,2,5,5-Tetramethyl-2,5-dihydro-1H-pyrrole-3-carbonyl)-amino]-ethyl}-phthalamic acid
2,2,5,5-Tetramethyl-2,5-dihydro-1H-pyrrole-3-carboxylic acid [2-(3,4,5-trimethoxy-benzylamino)-ethyl]-amide
2,2,5,5-Tetramethyl-2,5-dihydro-1H-pyrrole-3-carboxylic acid [2-(4-acetylamino-benzylamino)-ethyl]-amide
2,2,5,5-Tetramethyl-2,5-dihydro-1H-pyrrole-3-carboxylic acid [2-(3,4-dimethoxy-benzylamino)-ethyl]-amide