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Chemical structures of complexes 47–56.
| Complex | R1 | R2 | |
|---|---|---|---|
|
50 |
|
|
| 51 |
|
|
|
| 52 |
|
|
|
| 53 |
|
OH | |
| 54 |
|
|
|
| 55 |
|
|
|
| 56 |
|
|
|
| 57 |
|
|
|
| 58 | OH |
|
|
| 59 | OH |
|
The bold values represent the numbering of the complexes.
