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The structures of 21 BA-nitrogen heterocyclic derivatives.
| Compound | Structure | Compound | Structure |
|---|---|---|---|
| 3 |
|
4a |
|
| 4b |
|
4c |
|
| 4d |
|
5a |
|
| 5b |
|
5c |
|
| 5d |
|
6 |
|
| 7a |
|
7c |
|
| 7d |
|
7e |
|
| 8 |
|
9a |
|
| 9b |
|
9c |
|
| 9d |
|
10 |
|
| 11a |
|
11b |
|
| 11c |
|
11d |
|
| 11e |
|
