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Confocal images for compound 4 in PC-3 cells incubated for 12 h at 10 μm concentration, 37 °C: (a) overlay of blue-green-red channels; (b) blue channel (λem = 417–477 nm); (c) green channel (λem = 500–550 nm); (d) red channel (λem = 570–750 nm) (see SI for additional images and details).
