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Comparison of association constants (M−1) of biological relevant molecules with the phosphonate and phosphate clips in phosphate buffered aqueous solution (pH = 7.2).
| Guest | Phosphonate clip 164b Kass [M−1] | Phosphate clip 164c Kass [M−1] |
| nicotinamide mononucleotide | 550 | 1120 |
| adenosine | 1115 | 1400 |
| cytidine | 1070 | 9685 |
| N-methylnicotinamide iodide (166b) | 11270 | 35000 |
| caffeine | 9550 | 42700 |
| NAD+ (166c) | 4200 | 5630 |
