| tetrahydro-2-(p-chlorophenyl)-(1-pyrrolidinylcarbonyl)-2(3h)-furanon |
| 2-(p-chlorophenyl)-1-(pyrrolidinylcarbonyl)tetrahydro-2(3h)-furanone |
| pyrrolidinamide of gamma-p-chlorophenyltetrahydrofuranone-2-gamma-carboxylic |
| 1-((2-(4-chlorophenyl)tetrahydro-5-oxo-2-furanyl)carbonyl)-pyrrolidin |
