| 2-(2-oxo-4-(4-phenyl-1-piperazinyl)butyl)-2-phenyl-indan-3-dione |
| 2-(2-oxo-4-(4-phenyl-1-piperazinyl)butyl)-2-phenyl-1h-indene-3(2h)-dione |
| 2-(2-oxo-4-(4-phenyl-1-piperazinyl)butyl)-2-phenyl-1,3-indandione |
| 2-(2-oxo-4-(4-phenyl-1-piperazinyl)butyl)-2-phenyl-indan-3-dione |
