| 3-(4-chlorophenyl)-1-(3-methyl-2-pyridinyl)-5-pyrrolidinedione |
| 3-(4-chlorophenyl)-1-(3-methyl-2-pyridinyl)-2,5-pyrrolidinedione |
| i 11 |
| il 11 |
| n-3-methylpyridyl-2-imide of 3-p-chlorophenylsuccinic acid |
| 2-(p-chlorophenyl)-n-(3-methyl-2-pyridyl)-succinimid |
| 3-(4-chlorophenyl)-1-(3-methyl-2-pyridinyl)-5-pyrrolidinedione |
