Molecular formulas and [M + Na]+ experimental and theoretical of 1a–2b.
| Molecular formula | [M + Na]+ experimental | [M + Na]+ theoretical | Error [ppm] | |
|---|---|---|---|---|
| 1a | C8H11Cl3N2O7Pt | 569.9196 | 569.9172 | −4.0 |
| 1b | C14H19Cl3N2O7Pt | 649.9818 | 649.9798 | −2.9 |
| 2a | C8H10ClF3N2O7Pt | 555.9687 | 555.9669 | −3.2 |
| 2b | C14H18ClF3N2O7Pt | 636.0323 | 636.0295 | −4.2 |