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Possible combinations of three-component couplings for various common odd-membered monocyclic rings.
| Ring size | Possible combinations | Number of combinations | ||||
| 3 | 1,1,1 | 1 | ||||
| 5 | 3,1,1 | 2,2,1 | 2 | |||
| 7 | 5,1,1 | 4,2,1 3,2,2 |
3,3,1 | 4 | ||
| 9 | 7,1,1 | 6,2,1 5,2,2 |
5,3,1 4,3,2 3,3,3 |
4,4,1 | 7 | |
| 11 | 9,1,1 | 8,2,1 7,2,2 |
7,3,1 6,3,2 5,3,3 |
6,4,1 5,4,2 4,4,3 |
5,5,1 | 10 |
