| Comp. | N-5 | C-6 | C-8 | N-amino |
| 5 | 4.9998 | 2.1548 | −4.0002 | −3 |
| 17 | 4.9978 | 3.4735 | −4 | −3 |
| 18 | 4.9999 | 4.1069 | −4.0001 | −3 |
| 19 | 4.9979 | 2.1318 | −4.0001 | −3 |
| 23 | 4.9999 | 3.477 | −4.0002 | −3 |