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Physico-chemical properties and biological data obtained for compound 4 [68].
| 4 | |
|---|---|
| λabs a | 573.8 nm |
| ε | 8,2000 M−1cm−1 |
| λem a | 590 nm |
| Φfluo b | 0.6 |
| IC50 (A549) c | 2.7 μM |
a In ethanol. b Relative to that of rhodamine 101 (Φfluo = 1.0 in EtOH). c Irradiation for 80 min (irradiance: 0.77 mW/cm2).
