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Mass spectral data for amine-HNE fluorophores
| R | Observed MH+ | Calculated MH+ | Formula | |
|---|---|---|---|---|
| 1a | NHCOCH3 | 511.3128 | 511.3132 | C25H43O7N4 |
| / | ||||
| — (CH2)4CH | ||||
| \ | ||||
| CO2H | ||||
| 1b | NHCO2CH2C6H5 | 695.3687 | 695.3690 | C37H51O9N4 |
| / | ||||
| — (CH2)4CH | ||||
| \ | ||||
| CO2H | ||||
| 1c | — (CH2)3CO2H | 341.2065 | 341.2076 | C17H20O5N2 |
| 1d | — (CHI2)3CO2C2H5 | 397.2694 | 397.2703 | C21H37O5N2 |
| 1e | — CH2CH3 | 225.1967 | 225.1967 | C13H25ON2 |
