 | |||||
| Comp | 15a | 15b | 15c | 15d | 15e |
| M | Cu | Cu | Cu | Cu | Cu |
| R | C8H17 | C10H21 | C12H25 | C14H29 | C16H33 |
| Comp | 16a | 16b | 16c | 16d | 16e |
| M | Ni | Ni | Ni | Ni | Ni |
| R | C8H17 | C10H21 | C12H25 | C14H29 | C16H33 |
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